Article Per Year (5 Year)
p-Index From 2019 - 2024
12.345
P-Index
This Author published in this journals
All Journal Jurnal Inovasi Pendidikan KALAM CENDEKIA PGSD KEBUMEN Jurnal Pendidikan Sekolah Dasar Taman Cendekia : Jurnal Pendidikan Ke-SD-an Edukasi : Jurnal Penelitian dan Artikel Pendidikan Jurnal Basicedu WIDYA LAKSANA EDUKATIF : JURNAL ILMU PENDIDIKAN Social, Humanities, and Educational Studies (SHEs): Conference Series Journal of Empowerment Community DEDIKASI: Community Service Reports JURNAL EDUPENA Kalam Cendekia: Jurnal Ilmiah Kependidikan caXra: Jurnal Pendidikan Sekolah Dasar Jurnal Basicedu Jurnal Inovasi dan Teknologi Pendidikan
Tri Saptuti Susiani
Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Social Sciences Other

Published : 114 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 114 Documents
Search

 1   2   3   4   5 
PENGUATAN KOMPETENSI GURU DALAM BIDANG PENDIDIKAN SENI MELALUI LESSON STUDY BERBASIS SEKOLAH DI SDIT AL-MADINAH KABUPATEN KEBUMEN Susiani, Tri Saptuti; Salimi, Moh; Suhartono, Suhartono; Suyanto, Imam
JURNAL WIDYA LAKSANA Vol 6, No 1 (2017)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.961 KB) | DOI: 10.23887/jwl.v6i1.9288

Abstract

AbstrakSDIT menjadi alternatif lembaga pendidikan yang dipilih memperoleh pendidikan secara umum dan agama islam. Guru kelas di sekolah dasar, termasuk SDIT dituntut untuk terampil semua mata pelajaran sekolah dasar, termasuk mata pelajaran Seni Budaya dan Keterampilan (SBK). Kenyataannya guru di banyak SDIT bukan berasal dari lulusan PGSD, sehingga merasa kesulitan mengelola mata pelajaran SBK. Guru kelas akhirnya menyerahkan tanggungjawabnya kepada guru mata pelajaran. Keadaan tersebut dialami pula oleh SDIT Al-Madinah, salah satu SDIT yang sudah memiliki nama baik di Kabupaten Kebumen. Tujuan pengabdian ini fokus pada: (1) kemampuan teoritis pendidikan seni; (2) kemampuan perencanaan pembelajaran seni; (3) kemampuan pelaksanaan pembelajaran seni dan evaluasinya. Hasil program pengabdian ini yaitu: (1) sebanyak 67,5% guru mengalami penguatan pengetahuan tentang pendidikan seni; (2) kompetensi merencanakan pembelajaran mengalami penguatan, khusunya keterampilan membuat indikator pencapaian kompetensi, tujuan pembelajaran, materi pokok, kegiatan pembelajaran dan penilaian; (3) kompetensi melaksanakan pembelajaran mengalami penguatan, khusunya kegiatan pengantar, demonstrasi, dan pembimbingan.Kata Kunci: Lesson Study, Kompetensi, Pendidikan Seni AbstractSDIT be an alternative educational institutions that have obtained education in general and Islamic religion. Teachers in primary schools, including SDIT required to skillfully all basic school subjects, including subjects of Arts and Skills (SBK). In fact teachers in many SDIT not come from the graduates of PGSD, so feel the difficulty of managing learning of SBK. Finally, Teachers handed-over responsibility to the subject teachers. The situation is also experienced by SDIT Al-Madinah, one SDIT who already has a good name in Kabupaten Kebumen. The purpose of this study to focus on: (1) the theoretical capability of art education; (2) the ability of the art lesson planning; (3) the ability of the art learning implementation and evaluation. The results of this dedication program, namely: (1) as much as 67.5% of teachers have gained knowledge of art education; (2) strengthening the competency to plan learning experience, especially the skill of creating indicators of achievement of competencies, learning objectives, subject matter, learning and assessment activities; (3) strengthening the competence of implementing the learning experience, especially the introductory activities, demonstrations and coaching.Keywords: Lesson Study, Competence, Arts Education
KINERJA CALON GURU SEKOLAH DASAR Susiani, Tri Saptuti
Jurnal Inovasi Pendidikan Vol 8, No 2 (2007)
Publisher : Jurnal Inovasi Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.448 KB)

Abstract

The objective of this research is to know the correlation between the academies ability, achievement motivation, and the performance of candidate of elementary school teachers. The research was a correlation study using multiple correlations and multiple regression analysis to test hypotheses. The population was the fourth grade students of PGSD program of FKIP UNS in the year 2007/2008. The sample used was 100 students. The data were obtained by using likert scale model questionnaires, test, and portfolio. The result of research shows that there is a positive correlation between (1) the academic ability and the performance of candidate of elementary school teachers ( r = 0.297 p < 0.05), (2) achievement motivation the performance of candidate of elementary school teachers ( r = 221 p<0.05), and the academic ability and achievement motivation simultaneously, and the performance of candidate of elementary school teachers (R=0.404 p<0.05). The implication of this research is that in improving the performance of candidate of elementary school teachers, academic ability and achievement motivation, must be taken into consideration.
IMPROVING CRITICAL THINKING SKILL THROUGH GUIDED INQUIRY LEARNING MODEL USING MULTIMEDIA IN THE LEARNING OF IPA ABOUT FORCE FOR THE THIRD GRADE STUDENTS OF SD NEGERI 1 MANGUNWENI IN THE ACADEMIC YEAR OF 2016/2017. aminah, siti; susiani, tri saptuti; suryandari, kartika chrysti
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 3.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.602 KB)

Abstract

Abstract: Improving Critical Thinking Skill through Guided Inquiry Learning Model using Multimedia in the Learning of IPA about Force for the Third Grade Students of SD Negeri 1 Mangunweni in the Academic Year of 2016/2017. The objective of this research is to improve critical thinking skill and students? learning outcome of IPA about force. This research is a collaborative Classroom Action Research (CAR) conducted within two cycles. Each cycle consisted of planning, action, observation, and reflection. Subjects of the research were teacher and third grade students of SD Negeri 1 Mangunweni.  Techniques of collecting data were learning outcomes test, observation, and interview. Validity of data in this research was analyzed using triangulation of sources and triangulation of technique. Data were analyzed using quantitative and qualitative descriptiveanalysis consisting of data reduction, data display, and drawing conclusion or verification. The results of this research show that the use of guided inquiry learning model using multimedia can improve critical thinking skill and students? learning outcome of IPA about force.Keywords: Guided Inquiry, multimedia, Critical thinking, Learning outcome, IPA
PENERAPAN MIND MAPPING DENGAN MULTIMEDIA UNTUK MENINGKATKAN PEMBELAJARAN IPS PADA SISWA KELAS V SD Ikhwana, Sari; Susiani, Tri Saptuti; Salimi, Moh.
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 2.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (309.825 KB)

Abstract

Abstrak: Penerapan Mind Mapping dengan Multimedia untuk Meningkatkan Pembelajaran IPS Kelas V SD. Tujuan penelitian ini adalah untuk meningkatkan pembelajaran IPS tentang perjuangan mempersiapkan kemerdekaan. Penelitian ini merupakan penelitian tindakan kelas kolaboratif dengan subjek penelitian adalah guru dan siswa kelas V. Teknik pengumpulan data dalam penelitian ini adalah teknik observasi, wawancara, dan tes. Teknik validitas yang digunakan adalah triangulasi teknik dan triangulasi sumber data. Analisis data melalui tiga tahapan yaitu reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa penerapan model Mind Mapping dengan multimedia dapat meningkatkan pembelajaran IPS ditandai dengan meningkatnya hasil belajar siswa.Kata Kunci: Mind Mapping, multimedia, pembelajaran IPS
PENERAPAN MODEL GROUP INVESTIGATION DENGAN MEDIA VISUAL DALAM PENINGKATAN HASIL BELAJAR IPS TENTANG MASALAH SOSIAL PADA SISWA KELAS IV SD NEGERI 1 TAMANWINANGUN TAHUN AJARAN 2016/2017 RAKASIWI, INTAN; SURIPTO, SURIPTO; SUSIANI, TRI SAPTUTI
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 4.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (185.78 KB)

Abstract

Abstract. The Use of Group Investigation Model Using Visual Media In Improving Learning Outcome of IPS about Social Problem for the Fourth Grade Students of SD Negeri 1 Tamanwinangun in the Academic Year of 2016/2017. The objective of this research is to improve learning outcome of IPS about social problem through the use of group investigation model using visual media for the fourth grade students of SD Negeri 1 Tamanwinangun. This research is a collaborative Classroom Action Research (CAR). Subjects of the research were 19 students of the fourth grade of SD Negeri 1 Tamanwinangun in academic year of 2016/2017. Techniques of collecting data were learning outcomes test, observation, interview, and documentation. Validity of data in this research was analyzed using triangulation of sources and triangulation of technique. Data were analyzed using quantitative and qualitative descriptiveanalysis consisting of data reduction, data display, and drawing conclusion or verification. The results of this research show that the use of group investigation using visual media can improve learning outcome of IPS about social problem for the fourth grade students of SD Negeri 1 Tamanwinangun in the academic year of 2016/2017. Keywords: group investigation, visual media, learning outcomes of IPS. Abstrak. Penerapan Model Group Investigation dengan Media Visual dalam Peningkatan Hasil Belajar IPS tentang Masalah Sosial pada Siswa Kelas IV SD Negeri 1 Tamanwinangun Tahun Ajaran 2016/2017. Tujuan penelitian ini adalah untuk meningkatkan hasil belajar IPS tentang masalah sosial pada siswa kelas IV SD Negeri 1 Tamanwinangun melalui penerapan model group investigation dengan media visual. Penelitian ini merupakan penelitian tindakan kelas kolaboratif. Subjek penelitian ini adalah siswa kelas IV yang berjumlah 19 siswa. Teknik pengumpulan data pada penelitian ini, yaitu teknik tes, observasi, wawancara, dan dokumentasi. Uji validitas data menggunakan triangulasi sumber dan triangulasi teknik. Analisis data melalui reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa penerapan model group investigation dengan media visual dapat meningkatkan hasil belajar IPS tentang masalah sosial pada siswa kelas IV SD Negeri 1 Tamanwinangun tahun ajaran 2016/2017.Kata kunci: group investigation, media visual, hasil belajar IPS.
THE USE OF SCIENTIFIC APPROACH USING GUIDED INQUIRY MODEL IN IMPROVING THE LEARNING OF SCIENCE ABOUT THE CHARACTERISTICS OF LIGHT FOR THE FIFTH GRADE STUDENTS OF SD NEGERI SRUSUH JURUTENGAH IN THE ACADEMIC YEAR OF 2016/2017. Nurhayati, Siti; Susiani, Tri Saptuti; Salimi, Moh
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 4.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.202 KB)

Abstract

Abstract: The Use Of Scientific Approach Using  Guided Inquiry Model In Improving The Learning Of Science  About The Characteristics Of Light For The Fifth Grade Students Of SD Negeri Srusuh Jurutengah In The Academic Year Of 2016/2017. The objective of this research is to improve the learning of IPA about the characteristics of light for the fifth grade students of SD Negeri Srusuh Jurutengah in the academic year of 2016/2017. This research is a collaborative Classroom Action Research (CAR). Subjects of the research were the teacher and 21 students. Techniques of collecting data were learning outcomes test, observation, interview, and documentation. Validity of data in this research was analyzed using triangulation of sources and triangulation of technique. The results of this research show that the use of scientific approach using guided inquiry model can improve the learning of science.Keywords: Scientific Approach, guided inquiry, Learning of science.
PENERAPAN MODEL INKUIRI TERBIMBING DENGAN MEDIA POSTER UNTUK MENINGKATKAN PEMBELAJARAN IPS PADA SISWA KELAS V SD NEGERI 4 TAMANWINANGUN TAHUN AJARAN 2016/2017 Sulistianingsih, Sulistianingsih; Susiani, Tri Saptuti; Salimi, Moh
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 2.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.609 KB)

Abstract

Abstract: The Use of Guided Inquiry Lesson using Poster as Media in Improving IPS Lesson for Fifth Grade Studentd of SD Negeri 4 Tamanwinangun in the Academic Year of 2016/2017. The objective of research was to improve IPS lesson through the use of guided inquiry lesson using poster as media. This research is conducted within three cycles consisted of four stages, namely; planning, conducting, observing, and reflecting. Techniques of collecting data were non test and test. Data were collected by using evaluation sheet, observation, and interview. Validity of data in this research was analyzed using triangulation of sources and technique. Data were analyzed using qualitative analysis and quantitative analysis. The results of this research show that the use of guided inquiry lesson using poster as media can improve IPS.Keywords: Guided inquiry, poster media, Lesson, IPS Abstrak: Penerapan Model Inkuiri Terbimbing Dengan Media Poster Untuk Meningkatkan Pembelajaran IPS Pada Siswa Kelas V SD Negeri 4 Tamanwinangun Tahun Ajaran 2016/2017. Tujuan penelitian ini untuk meningkatkan pembelajaran IPS melalui penerapan model pembelajaran inkuiri terbimbing dengan media poster. Penelitian ini dilaksanakan dalam tiga siklus terdiri dari perencanaan, pelaksanaan, observasi, dan refleksi. Data berasal dari data kualitatif dan kuantitatif. Teknik pengumpulan data tes dan non-tes. Alat pengumpulan data menggunakan lembar evaluasi, observasi, dan wawancara. Validitas data menggunakan triangulasi sumber dan triangulasi teknik. Analisis data menggunakan analisis deskriptif kualitatif dan analisis statistik kuantitatif. Hasil penelitian menunjukan bahwa penerapan model inkuiri terbimbing dengan media poster dapat meningkatkan pembelajaran IPS.Kata Kunci: Inkuiri Terbimbing, Media Poster, Pembelajaran IPS
PENERAPAN MODEL SCRAMBLE DENGAN MEDIA FLASHCARD DALAM PENINGKATAN PEMBELAJARAN IPS TENTANG KOPERASI PADA SISWA KELAS IV SD NEGERI KARANGKEMIRI 01 TAHUN AJARAN 2016/2017 Sholihah, Annis Fathimatus; Suripto, Suripto; Susiani, Tri Saptuti
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 5.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.538 KB)

Abstract

Abstrak: Penerapan Model Scramble dengan Media Flashcard dalam Peningkatan Pembelajaran IPS tentang Koperasi pada Siswa Kelas IV SD Negeri Karangkemiri 01 Tahun Ajaran 2016/2017.Penelitian ini bertujuan untuk meningkatkan pembelajaran IPS tentang koperasi pada siswa kelas IV SD Negeri Karangkemiri 01 melalui penerapan model Scramble dengan media flashcard. Penelitian ini merupakan PTK kolaboratif yang dilaksanakan dalam tiga siklus. Subjek penelitian ini yaitu siswa kelas IV SD Negeri Karangkemiri 01 yang berjumlah 22 siswa. Teknik pengumpulan data mengggunakan teknik tes dan nontes (observasi dan wawancara). Validasi data yang digunakan, yaitu triangulasi sumber dan triangulasi teknik. Analisis data melalui reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa penerapan model Scramble dengan media flashcard dapat meningkatkan pembelajaran IPS tentang koperasi pada siswa kelas IV SD Negeri Karangkemiri 01 tahun ajaran 2016/2017. Kata kunci: IPS, scramble, flashcard
PENERAPAN MODEL PEMBELAJARAN INKUIRI TERBIMBING DENGAN MULTIMEDIA DALAM PENINGKATAN PEMBELAJARAN IPS DI KELAS V SD Wati, Suci Anggar; Susiani, Tri Saptuti; Salimi, Moh.
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 2.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.516 KB)

Abstract

Abstrak: Penerapan Model Pembelajaran Inkuiri Terbimbing dengan Multimedia dalam Peningkatan Pembelajaran IPS di Kelas V SD. Penelitian ini bertujuan untuk meningkatkan pembelajaran IPS kelas V SD melalui penerapan model pembelajaran inkuiri terbimbing dengan multimedia. Penelitian tidakan kelas ini dilakukan secara kolaboratif dengan subjek penelitian guru dan siswa kelas V yang berjumlah 38 siswa. Pengumpulan data yang digunakan yaitu observasi, wawancara, dan tes. Validitas data yang digunakan adalah triangulasi sumber dan triangulasi teknik, kemudian dianalisis melalui reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa model pembelajaran inkuiri terbimbing dengan multimedia dapat meningkatkan pembelajaran IPS.Kata Kunci: inkuiri terbimbing, multimedia, pembelajaran, IPS
PENGARUH MODEL THINK PAIR SHARE (TPS) DAN PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR IPA SISWA KELAS V SD NEGERI 3 DAN 5 PANJER TAHUN AJARAN 2016/2017 Rahmatin, Dwi Ana Indra; Suryandari, Kartika Chrysti; Susiani, Tri Saptuti
KALAM CENDEKIA PGSD KEBUMEN Vol 5, No 3.1 (2017): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (601.392 KB)

Abstract

Abstract: The objectives of this research are to proof effect on the implementation of think pair share (TPS) model and problem based learning (PBL) to students? learning outcome of IPA for fifth grade students. The population of this research is the whole students of SDN 3 and 5 Panjer and SDN Pangebatan in the academic year of 2016/2017, and the sample is fifth grade students using purposive sampling. This research was using quasi experiment by non-equivalent control group design. Technique of collecting data were test to gain students? cognitive and non-test observation, interview, and documentation. Data were analyzed using t-test. The results of this research show that there is the different effect on the implementation of think pair share (TPS) model and problem based learning (PBL) to students? learning outcome of IPA. Using PBL was better than model TPS, based on t-test results show that the significant score is higher than  (0,138>0,05) and  value is lower than  (1,507 < 2, 003). Keywords: learning outcome, model Think Pair Share (TPS), Problem Based Learning (PBL)
Co-Authors A.A. Ketut Agung Cahyawan W Achmad Basari Eko Wahyudi Aditya Aldi Pamungkas Agustin, Nely Rosyalina Ali Djamhuri Aliffah Aliffah Amiliyah Amiliyah Ana Nur Fajriyati Arina Firdaningrum Arsy, Rahma Auliya Astika Rizkiana Efendi AULIYA ARSY, RAHMA Ayu Setiya Munika chamdani, muhamad Desti Maya Windasari Desy Widya Astuti Diah Palupi Dian Candra Wati Diana Roshy Dita Pratiwi Dwi Puji Lestari Dyah Anis Nuresti Ellie Syafitri Erlin Wahyuningasti Fakhrul Sani Fathia Qothrunnada Nurrohima Fatia Nurohmah Fauziah, Syifa Fitri Ernawati Fitriana, Arbangatun Fityan Ferry Sukma P. Fonda Hidayah Prabaningrat Hana Salsabila Hana' Fadiyah Hanaan Rofiiqoh Hasna Nur Hanifah Heni Pratiwi Herlina Herlina Hesti Hidayati I Ketut Sudiana Ikhwana, Sari Imam Suyanto Ingtiarti Ingtiarti Irfan Fadilah Irfan Yoni Tama Irma Kumala Sari Isnaeni Aprilia Kartikasari Joharman Joharman Joharman Joharman Joharman Karsono Karsono Karsono Karsono Kartika Chrysti Suryandari Kartika Chrysti Suryandari Kartika Chrysti Suryandari Khafidatun Nafi’ah Khafidhatun Nafi'ah Khanasah, Noviatun Khasanah, Wahyu Khimatun Nafilah Kurnia Indrawati Laely Rizki Amalia Lala Ayu Fauzia Laras Tantifah Leny Retno Indriani Liftahul Sekar Aji Mar'atu Sholiah Mar’atus Sholihah Maulida Ajeng Priyatnomo Maulida Ajeng Priyatnomo Maulidyanawati Aqmarina Ma'ruufah Mila Esa Andini Moh Salimi Muh Chamdani Muhamad Chamdani Muhamad Chamdani Murwani Dewi Wijayanti Ngatman, Ngatman Noviatun Khanasah Nur Isnaeni Nur Sangadah Nur Ulil Absoriah Nur Widia Ningsih Nurjihan Hasanah Palupi, Bening Sri Pusaka, Semerdanta Qori Septiani Rachma, Lhinatul Arivvia Rahma Arifah Ludfiani Rahma Auliya Arsy Rahmadhani, Frizky Rahmahwati Rahmahwati Rahmatin, Dwi Ana Indra RAKASIWI, INTAN Ratna Hidayah Rizki Kurnianto Rizky Eka Oktavia Rokhmaniyah Rokhmaniyah, Rokhmaniyah Sa'diyah, Awalus Sabrina Ayunani Sari, Apriliani Indah Shela Nonda Putri Sholihah, Annis Fathimatus Siska Fitri Purbayani Siti Aminah Siti Fatimah Siti Nurhayati Siti Rochmah Fitria Solly Aryza Sri Etika Sari Steffina Indri Hapsari Suhartono Suhartono Suhartono Suhartono Suhartono Suhartono Suhartono Suhartono Suhartono, Suhartono Sulistianingsih Sulistianingsih Tiyar Okti Indriati Tiyara Mahardini Tri Yuniantari Redyoningrum Tria Mugi Safitri Triyono Triyono Vena Nur Litasari Wahyono Wahyono Wahyono Wahyono Wahyu Khasanah Wahyu Retnoningsih Wahyudi Wahyudi Wahyudi Wahyudi Wati, Suci Anggar Wiwin Setiyaningsih Yoga Yuniadi Yunia Nur Arifah Zahrotun Nafi