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All Journal Jurnal Daya Matematis Edumatsains Al-Jabar : Jurnal Pendidikan Matematika Scholaria: Jurnal Pendidikan dan Kebudayaan POLYGLOT JOHME: Journal of Holistic Mathematics Education Jurnal Sinergitas PkM & CSR Jurnal Cendekia : Jurnal Pendidikan Matematika Prosiding Konferensi Nasional PKM-CSR Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat
Melda Jaya Saragih, Melda Jaya
Prodi Pendidikan Matematika, Universitas Pelita Harapan
Agriculture, Biological Sciences & Forestry Humanities Chemistry Control & Systems Engineering Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Nursing Physics Public Health Social Sciences

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Membangun Pemahaman Mahasiswa Calon Guru Akan Interaksi Dalam Pembelajaran Melalui Program Pengalaman Lapangan-1 Di Sekolah Melda Jaya Saragih; Kurnia Putri Sepdikasari Dirgantoro; Meiva Marthaulina Lestari Siahaan
Scholaria: Jurnal Pendidikan dan Kebudayaan Vol 11 No 3 (2021)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of the research is to describe the process of establishing students teachers' understanding about interactions in learning, describing those various understandings obtained as results of the field ecperience (PPL 1), how tasks and stages are designed according to the blue print of PPL1 to create holistic learning for prospective students of mathematics education teachers. The research method was descriptive qualitative by analyzing in depth the results of written interviews of students, through their reflections, and student observation sheets consisting of 30 students of mathematics education disseminated in several Christian schools. The data was validated with triangulation techniques, namely interviews, student reflections and student portfolios. In PPL 1, students observe and collaborate with mentor teachers and are directly involved in one-week learning activities. Through the journal of reflection students also help students to develop their understanding of the responsibility of the teacher and give direction for students can take steps to improve in the future if later become a teacher in the school. Students gained new understanding of interaction in the classroom, i.e. students understand the important of teachers to greet students before starting learning, the use positive words, recognize student names, show students' involvement in learning. Teacher students got good example and were prepared to be teachers who can build students' personal through interactions formed by teachers in the classroom. In addition, students also understood the steps to build good interaction with students. The implementation of PPL-1 is monitored in a structured manner, students were placed in a school environment that maximizes them to learn the correct practices and values of Christian education from teachers, principals, school environments and lecturers.
Pengaruh Pembelajaran Responsi Pada Mata Kuliah Aljabar Linier Terhadap Hasil Belajar Mahasiswa Program Studi Pendidikan Matematika FIP UPH Kurnia Putri S. Dirgantoro; Melda Jaya Saragih; Tanti Listiani
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 2 No 1 (2017): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v2i1.373

Abstract

Linear Algebra is a mathematics subject needed to be mastered well by mathematics education students. Mathematics student-teachers need to master it well as it is one of the basic of mathematics school. However, students’ achievement as the learning outcomes of understanding Linear Algebra is not maximized well due to limitations in exploring and elaborating the concepts in it. Therefore, the response/tutorial program is regarded as one of the solutions that can be used to maximize student understanding. Through the response/tutorial program, students can explore concepts and issues related more depth. Thus, this study aims to look at the effect on the response/tutorial program of students’ achievement in learning Linear Algebra of FIP UPH Mathematics Education. The findings showed that there is a significant effect on the application of response/tutorial program toward the learning outcomes of students of Mathematics Education at FIP UPH. Keywords: tutorial program, student’s achievement
Epistemological Obstacles on The Quadratic Inequality Kimura Patar Tamba; Melda Jaya Saragih
Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 2 (2020): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (526.309 KB) | DOI: 10.24042/ajpm.v11i2.6858

Abstract

Students often experience difficulties and errors in solving quadratic inequality problems. These difficulties and errors are not only caused by students’ ignorance or misconceptions, but also caused by epistemological obstacles. This study aimed to determine the epistemological obstacles faced by the junior high school students in quadratic inequality. This research was a qualitative research that involved 105 ninth-grade students at one of the junior high schools in Bandung, Indonesia. The data were collected through open-ended tasks and task-based interviews. The data were analyzed using the inductive coding process to classify students’ errors.  The descriptive analysis was carried out to reveal students’ ways of understanding and ways of thinking behind each error to be compared with historical analysis. Based on the description of ways of understanding and ways of thinking and comparison with this historical phenomenon, the epistemological obstacles had be confirmed. The results showed that there were epistemological obstacles in quadratic inequalities. The epistemological obstacles consisted of students' quadratic equation knowledge acts and students' arithmetic knowledge acts. However, no epistemological obstacles were found in the development history of quadratic inequality. Students' epistemological obstacles were parallel to the historical phenomena of quadratic inequality.  
PEMBENTUKAN KONSEP MANAJEMEN PERILAKU SISWA DALAM PROGRAM PENGALAMAN LAPANGAN PERTAMA MAHASISWA PENDIDIKAN MATEMATIKA [SHAPING THE CONCEPT OF STUDENTS’ BEHAVIOR MANAGEMENT IN THE FIRST FIELD EXPERIENCE PROGRAM FOR MATHEMATICS EDUCATION STUDENTS] Melda Jaya Saragih
Polyglot Vol 15, No 2 (2019): July
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/pji.v15i2.1716

Abstract

The Field Experience Program (PPL) is a holistic learning activity related to developing the competency of prospective Christian teachers based on the profile of a graduate of the mathematics education program at Universitas Pelita Harapan. The First Field Experience Program 1 (PPL 1) is the student's initial experience in school, namely the introduction and adaptation of prospective teachers with classes and the role of the teacher in the classroom. The purpose of this study was to explore the benefits of student teachers after the First Field Experince Program to students’ behaviour management through observation and reflection techniques. This study used qualitative descriptive methods, where data is collected through documentation (portfolios), open questionnaires and student reflections. There were 30 UPH mathematics education students as participants who spread across several Christian schools around the greater Jakarta area. The results of this study show that PPL 1 activities bring great benefits in forming the concept of correct behavior management where student teachers can view students as individuals who need to be guided in the right direction with love and realizing God loves them so much, students teacher know and recognize forms negative behavior of students in the classroom, and students teacher learn how to handle student behavior wisely. Student teachers also have clear commitments when they become teachers later.BAHASA INDONESIA ABSTRAK: Program Pengalaman Lapangan (PPL) adalah kegiatan pembelajaran holistis yang berkaitan dengan pengembangan kompetensi seorang calon guru Kristen sesuai dengan profil lulusan pendidikan matematika, UPH.  Program Pengalaman Lapangan 1 (PPL 1) merupakan tahap awal pengalaman mahasiswa di sekolah, yaitu tahap pengenalan dan penyesuaian Mahasiswa guru dengan ruang kelas dan peranan guru dalam kelas. Adapun tujuan penelitian ini adalah untuk melihat seberapa besar manfaat yang didapatkan mahasiswa guru setelah kegiatan PPL 1 mengenai konsep manajemen perilaku siswa dalam kelas melalui teknik observasi dan refleksi. Penelitian ini menggunakan metode deskriptif kualitatif, dimana data dikumpulkan melalui dokumentasi (portfolio), angket terbuka dan refleksi mahasiswa. Partisipan terdiri dari 30 mahasiswa pendidikan matematika-UPH yang tersebar di beberapa sekolah Kristen di sekitar Jabodetabek. Hasil penelitian menunjukkan bahwa kegiatan PPL 1 ini membawa manfaat yang besar dalam pembentukan konsep manajemen perilaku yang benar dimana mahasiswa dapat memandang siswa sebagai pribadi perlu dituntun ke arah yang benar dengan penuh kasih serta Tuhan sangat mengasihi mereka, mahasiswa mengetahui dan mengenal bentuk-bentuk perilaku negatif siswa di dalam kelas, serta mahasiswa belajar cara menangani perilaku siswa dengan bijaksana. Mahasiswa guru juga memiliki komitmen yang jelas ketika mereka menjadi guru nantinya.
DAMPAK PENERAPAN METODE NUMBERED HEADS TOGETHER TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA [THE IMPACT OF THE IMPLEMENTATION OF THE NUMBERED HEADS TOGETHER METHOD ON STUDENTS' MATHEMATICAL CONCEPTUAL UNDERSTANDING] Gidion Indra Saputra; Melda Jaya Saragih
Polyglot Vol 17, No 1 (2021): JANUARY
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/pji.v17i1.2791

Abstract

One of the objectives of learning mathematics is to develop students' understanding of mathematical concepts to be able to solve math problems. In mathematics learning, understanding concepts is very important because by understanding concepts students can learn higher order thinking skills. However, through a test at the observation stage, the researchers found that students had difficulty understanding mathematical concepts. The purpose of this study was to see whether the application of the Numbered Heads Together method influences students’ understanding of mathematical concepts. The research was conducted on 32 seventh grade students at Rantepao Christian Junior High School using qualitative descriptive research. Data sources in this study include student work results, mentor observation sheets, tests, and researcher reflection journals. The results of the study show that the application of the Numbered Heads Together method can help develop students' understanding of the mathematical concept.BAHASA INDONESIA ABSTRACT: Salah satu tujuan dari pembelajaran Matematika adalah mengembangkan pemahaman konsep matematik siswa untuk dapat menyelesaikan masalah Matematika. Dalam pembelajaran Matematika, memahami konsep sangat penting karena dengan memahami konsep Matematika siswa dapat mempelajari ketrampilan berpikir yang lebih tinggi. Namun, melalui test pada tahap observasi, peneliti menemukan bahwa siswa mengalami kesulitan dalam memahami konsep Matematika. Tujuan penelitian ini adalah untuk melihat dampak penerapan metode Numbered Heads Together terhadap pemahaman konsep matematis siswa. Penelitian dilakukan kepada 32 siswa kelas VII di SMP Kristen Rantepao dengan menggunakan jenis penelitian deskriptif kualitatif. Sumber data dalam penelitian ini antara lain: hasil pekerjaan siswa, lembar observasi mentor, tes, dan jurnal refleksi peneliti. Hasil penelitian menunjukkan bahwa penerapan metode Numbered Heads Together dapat membantu mengembangkan pemahaman konsep matematis siswa.
Meningkatkan Pemahaman Konsep Siswa Kelas XI-IPS dalam Belajar Matematika melalui Metode Guided Discovery Instruction [Improving Conceptual Understanding of Grade XI Social Science Students in Learning Mathematics Using the Guided Discovery Instruction Method] Dessy Rahmawati; Melda Jaya Saragih
Polyglot Vol 12, No 2 (2016): April
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/pji.v12i2.363

Abstract

The aim of this research was to know whether the Guided Discovery Instruction (GDI) method can improve conceptual understanding in learning mathematics. The research method used classroom action research in two cycles. The pre-cycle showed that students' conceptual understanding still was low. The research was conducted at Sekolah Lentera Harapan (SLH) in Ambon involving 14 students and the instruments used were post-test questionnaires, attainment sheet method, interviews, observations, and journal reflections. The results showed that using GDI improved students’ conceptual understanding in learning mathematics as evident by the increased number of students graduating KKM (71) from the first cycle (71.4%) to the second cycle (85.7%).BAHASA INDONESIA ABSTRAK:  Penelitian bertujuan mengetahui peningkatan pemahaman konsep siswa melalui metode GDI dengan model penelitian tindakan kelas yang dilakukan dalam dua siklus. Pra-siklus untuk memastikan pemahaman konsep kelas XI-IPS masih rendah. Penelitian ini dilakukan pada kelas XI-IPS SLH Ambon melibatkan 14 siswa dan menggunakan post-test, angket, lembar ketercapaian metode, wawancara, observasi, angket, dan jurnal refleksi sebagai instrumen. Hasilnya menunjukkan GDI meningkatkan pemahaman konsep siswa terlihat dari peningkatan jumlah siswa lulus KKM (71) dari siklus I (71,4%) ke siklus II (85,7%).
MENGATASI PERMASALAHAN MOTIVASI BELAJAR SISWA MELALUI BIMBINGAN BELAJAR SIGMA [OVERCOMING STUDENTS' LEARNING MOTIVATION PROBLEMS IN SIGMA LEARNING HOUSE] Tanti Listiani; Melda Jaya Saragih; Oce Datu Appulembang; Widiastuti Widiastuti
Jurnal Sinergitas PKM & CSR Vol 6, No 1 (2022): APRIL
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/jspc.v6i1.5122

Abstract

SIGMA tutoring is conducted in a church, namely the HKBP Binong Permai Tangerang. Because of the pandemic of COVID-19 in 2021, parents of church congregations have complaints about learning difficulties experienced by their children while online learning. The problem arises because the material studied by their children is quite difficult for their parents to guide. A solution is needed to overcome these problems, namely through Sigma tutoring. Sigma tutoring is implemented online by providing individual guidance for students. Online tutoring is being implemented currently according to government recommendations, it is prohibited to conduct face-to-face meetings between individuals. Even though by online learning, Sigma tutoring has a positive impact, namely that students/tutees feel helped by their learning difficulties, and tutors who are students can further hone their teaching skills through this Sigma tutoring. BAHASA INDONESIA ABASTRACT: Bimbingan belajar SIGMA dilaksanakan di sebuah gereja yakni HKBP Binong Permai Tangerang. Akibat Pandemi akibat COVID-19 pada tahun 2021 ini, orang tua dari jemaat gereja memiliki keluhan atas kesulitan belajar yang dialami anak-anaknya saat belajar online. Permasalahan muncul karena materi yang dipelajari oleh anak-anaknya cukup sulit untuk  dibimbing oleh orang tua mereka. Dibutuhkan solusi untuk mengatasi permasalahan tersebut, yakni melalui bimbingan belajar Sigma. Bimbingan belajar Sigma adalah bimbingan belajar yang dilaksanakan secara online, dengan memberikan bimbingan per individu untuk peserta didik. Bimbingan belajar secara online sedang marak dilaksanakan karena saat ini sesuai anjuran pemerintah melarang untuk melakukan pertemuan  tatap muka antar personal. Meskipun  dilakukan secara online, bimbingan belajar Sigma memberikan dampak positif yakni peserta didik/tutee merasa terbantu kesulitan belajarnya serta Tutor yang adalah mahasiswa dapat semakin mengasah kemampuan mengajarnya melalui bimbingan belajar Sigma ini.
Perbandingan Penerapan Pembelajaran Kooperatif Tipe Jigsaw Dengan TAI Terhadap Hasil Belajar Ranah Kognitif Kelas Viii [A Comparison of the Implementation of Cooperative Learning Methods Jigsaw and TAI on Cognitive Learning Outcomes of Grade 8 Students] Yuni Eka Susilawati; Desri Kristina Silalahi; Melda Jaya Saragih
JOHME: Journal of Holistic Mathematics Education Vol 1, No 1 (2017): December
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v1i1.717

Abstract

One of the factors affecting student learning outcomes is the learning process in the classroom. A teacher-centered learning process provides little learning experience for students. Student-centered learning needs to be developed so that students may experience meaningful learning and achieve good outcomes. The purpose of this study was to see the different cognitive learning outcomes caused by the implementation of two cooperative learning methods: jigsaw and TAI. The research method used is a quantitative quasi experiment with Nonequivalent Control Group Design. Student learning outcomes were measured by a post test. The difference in the learning outcomes were tested using a t-test. The research concludes that there is a significant difference of cognitive learning outcomes between students who are given cooperative learning jigsaw type (mean 43.14) and TAI (mean 47.85).ABSTRAK BAHASA INDONESIA: Salah satu faktor yang memengaruhi hasil belajar siswa adalah proses pembelajaran di kelas. Pembelajaran yang berpusat kepada guru cenderung memberikan sedikit pengalaman belajar kepada siswa. Pembelajaran yang berpusat kepada siswa perlu dikembangkan agar siswa dapat mengalami pembelajaran yang bermakna dan mendapatkan hasil belajar yang baik. Tujuan penelitian ini untuk melihat perbedaan hasil belajar kognitif karena penerapan dua jenis pembelajaran kooperatif yaitu jigsaw dan TAI pada dua kelas yang berbeda. Metode penelitian yang digunakan adalah kuantitatif quasi eksperimen dengan desain penelitian Nonequivalent Control Group Design. Hasil belajar siswa diukur menggunakan nilai post-test. Perbedaan hasil belajar  dianalisis menggunakan uji t.  Hasil penelitian menunjukkan bahwa terdapat perbedaan signifikan (hasil belajar ranah kognitif antara siswa yang diberikan pembelajaran kooperatif tipe jigsaw (mean 43.14) dengan tipe TAI (mean 47.85).
PEMANFAATAN MEDIA QUIZIZZ PADA LATIHAN SOAL UNTUK MENDORONG KEAKTIFAN BELAJAR SISWA DALAM PEMBELAJARAN DARING [THE UTILIZATION OF QUIZIZZ MEDIA IN PROBLEMS TO IMPROVE STUDENTS’ LEARNING ACTIVENESS IN ONLINE LEARNING] Fredrik David Loupatty; Melda Jaya Saragih
JOHME: Journal of Holistic Mathematics Education Vol 5, No 2 (2021): DECEMBER
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v5i2.2841

Abstract

This paper investigates student learning activeness as an important part of the formation and development of student potential. The aim of this paper is to describe the use of quizzes in lesson plans (practice questions) to encourage student activeness in online learning. Doing a field practicum program online presents its own challenges for teachers. One of them is related to the responses of students who are less active in learning. The solution applied is to use technology media for learning, namely using Quizizz to do practice exercises online. Divided into 10 implementation steps, the initial 8 steps are general steps such as making an online quiz on Quizizz while the last 2 steps are an adaptation done by the teacher himself. The implementation of this media in doing exercises shows that students are encouraged to be actively involved in learning. It can be seen in the attitude of those who are actively discussing (question & answer). This emphasizes the real practice of a Christian teacher in living his salvation through holistic learning design, for example by utilizing technology in the classroom to encourage active student involvement. This research has many weaknesses such as data validity, problem deepening, and technical problems in using Quizziz. This can be an evaluation and input for writers and readers.BAHASA INDONESIA ABSTRACT: Paper ini dibuat untuk melihat hubungan keaktifan belajar siswa dalam pembelajaran sebagai bagian penting dalam pembentukan dan pengembangan potensi siswa. Tujuan paper ini adalah untuk memaparkan pemanfaatan Quizizz dalam pembelajaran untuk mendorong keaktifan siswa dalam pembelajaran online. PPL yang dilaksanakan secara online memberikan tantangan tersendiri bagi pengajar, di antaranya: berkaitan dengan respons siswa yang kurang aktif dalam pembelajaran. Solusi yang diterapkan adalah memanfaatkan media teknologi untuk pembelajaran yaitu menggunakan Quizizz untuk melakukan latihan soal secara online. Dibagi menjadi 10 langkah penerapan, 8 langkah awal merupakan langkah umum seperti membuat kuis online pada Quizizz sedangkan 2 langkah terakhir merupakan adaptasi yang dilakukan oleh pengajar sendiri. Pengimplementasian media ini dalam melakukan latihan soal menunjukan adanya dorongan untuk siswa dapat terlibat aktif di dalam pembelajaran. Terlihat dari sikap mereka yang aktif berdiskusi (tanya & jawab). Hal ini menekankan praktik nyata seorang pengajar Kristen dalam menghidupi keselamatannya melalui perancangan pembelajaran yang holistik misalnya dengan memanfaatkan teknologi di kelas untuk mendorong keterlibatan aktif siswa. Penelitian ini memiliki banyak kelemahan seperti kevalidan data, pendalaman masalah, serta gangguan teknis dalam penggunaan Quizizz. Hal ini dapat menjadi evaluasi dan masukan bagi penulis maupun pembaca.
LEARNING TRAJECTORY OF QUADRATIC INEQUALITY Kimura Patar Tamba; Melda Jaya Saragih; Tanti Listiani
JOHME: Journal of Holistic Mathematics Education Vol 2, No 1 (2018): DECEMBER
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v2i1.1202

Abstract

A learning trajectory offers a description of key aspects in planning mathematics learning. It also helps teachers follow and interpret students’ mathematical thinking, so that learning can be developed in accordance with the characteristics of students, and even become a tool for teachers to develop curriculum. There are three main components of learning trajectory: learning goals, learning activities, and hypothetical learning processes. In this article, we constructed a learning trajectory of the quadratic inequality. This qualitative study used didactical design research with 105 grade 10 students as the participants. In the prospective analysis step, didactic design, learning obstacle, and quadratic inequality system were analyzed. Based on the results of this analysis, we constructed hypothetical learning trajectories in the form of didactical design. Then, hyphothetical learning trajectories were implemented in the learning process. Student’s responses were analyzed qualitatively. Results of this analysis were used to revise the learning trajectory in order to obtain alternative trajectory learning outcomes of theoretical and empirical analysis. Finally, this article offers an alternative learning trajectory of quadratic inequalities that are different from the existing learning trajectories presented in the current textbook. The learning trajectory that is offered is the learning quadratic inequality which starts from the function approach. BAHASA INDONESIA ABSTRACT: Learning trajectory (LT) menawarkan sebuah deskripsi akan aspek kunci dalam perencanaan pembelajaran matematika. LT juga membantu guru belajar dalam mengikuti dan menginterpretasi cara berpikir matematisnya siswa, sehingga pembelajaran dapat dikembangkan sesuai dengan karateristik siswa, bahkan menjadi alat bagi guru untuk mengembangkan kurikulum.  Ada tiga komponen utama dari learning trajectory, yaitu: tujuan pembelajaran (learning goals), kegiatan pembelajaran (learning activities) dan hipotesis proses belajar siswa (hypothetical learning process). Dalam artikel ini akan dikonstruksi sebuah LT pertidaksamaan kuadrat. Penelitian ini menggunakan pendekatan kualitatif dengan didactical design research. Adapun partisipan sebanyak 105 siswa kelas X. Pada awal penelitian ini, dilakukan analisis propektif yaitu analisis atas materi pertidaksamaan kuadrat, hambatan belajar dan tingkat berpikir siswa. Kemudian dari hasil analisis ini disusunlah Hipotetical Learning Trajectories yang berupa desain didaktis. Desain didaktis berdasarkan Hypotetical Learning Trajectories ini diimplementasikan dalam pembelajaran. Respon siswa dianalisis secara kualitatif. Hasil analisis ini digunakan untuk merevisi Learning Trajectory, sehingga diperoleh Learning Trajectory alternatif hasil analisis teoritik dan empirik. Akhirnya, artikel ini menawarkan sebuah alternatif learning trajectory pertidaksamaan kuadrat yang berbeda dengan learning trajectories yang ada pada buku pelajaran sekarang. Learning trajectory yang ditawarkan adalah pembelajaran pertidaksamaan yang dimulai dengan pendekatan fungsi. 
Co-Authors Desri Kristina Silalahi Dessy Rahmawati Dylmoon Hidayat Fredrik David Loupatty Gidion Indra Saputra Kurnia Putri Sepdikasari Dirgantoro Martina Srimega Sitorus Oce Datu Appulembang, Oce Datu Siahaan, Meiva Marthaulina Lestari Siane Indriani, Siane Tamba, Kimura Patar Tanti Listiani Widiastuti Widiastuti Yuni Eka Susilawati