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All Journal Jurnal Mahasiswa Matematika Competence : Journal of Management Studies (Kompetensi : Jurnal Studi Manajemen) JITEK (Jurnal Ilmiah Teknosains) Humanis : Jurnal Ilmu-Ilmu Sosial dan Humaniora Jurnal Studi Manajemen dan Bisnis Unisda Journal of Mathematics and Computer Science (UJMC) J-MACC : Journal of Management and Accounting Unnes Journal of Mathematics Education Research BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Mandala Pengabdian Masyarakat Transformasi ADILLA: Jurnal Ilmiah Ekonomi Syari'ah Jurnal Pengabdian Masyarakat: BAKTI KITA
Rifky Ardhana Kisno Saputra
Universitas Islam Darul 'Ulum
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Self Regelated Through Mathematics in Contexts (Mic) Approach Based on Local Culture Module to Improve Math Representation Ardhana Kisno Saputra, Rifky; Sukestiyarno, Sukestiyarno; Karomah Dwidayati, Nur
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (509.83 KB)

Abstract

The purpose of this study is to describe the mathematical representation ability of students based on self regulated and module-based learning with a Mathematics In Contexts (MIC) approach with local culture. This research is a mixed method type of concurrent embedded design, with the subject of the research being the VIII MTs grade students. Negeri 1 Lamongan. The results obtained are Mentoring with a module-based MIC approach containing local culture effective towards mathematical representation with an average completeness above 70 with a value of 77.96; there is a positive influence of self regulated on the ability of representation of 73.1%; The mathematical representation ability of students has increased by 0.48 with the medium category. The ability of student representation can be classified into three aspects including visual aspects, symbolic aspects and verbal aspects. Students with high self regulated are able to master the three aspects of representation very well indicated by the average value obtained in the visual aspect of 100 then in the symbolic aspect 91.07 and in the verbal aspect 79.17. Students with self regulated are mastering visual and verbal aspects that stand out by getting an average rating of 87.50 in the visual aspect and 79.17 in the verbal aspect, while in the symbolic aspect getting an average score of 66.07. Students with low self regulated are able to master the verbal and visual aspects well, namely by obtaining a verbal average value of 70.83 and a mean visual value of 67.50 while the symbolic aspect obtains an average score of 51.79. Based on the results of the study, it is suggested in doing assistance with students who have moderate and low self regulated more intensively so that students are more independent, enthusiastic, and recognize their own potential for their mathematical representation abilities.
ANALISIS DINAMIK MODEL SIS DENGAN LAJU KELAHIRAN DAN KEMATIAN YANG DIPENGARUHI TOTAL POPULASI Kisnosaputra, Rifky Ardhana
Jurnal Mahasiswa Matematika Vol 2, No 2 (2014)
Publisher : Jurnal Mahasiswa Matematika

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Abstract

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PENGENDALIAN OPTIMAL MODEL PENYAKIT Awawin Mustana Rohmah; Rifky Ardhana Kisno Saputra
Jurnal Ilmiah Teknosains Vol 5, No 2 (2019): JiTek
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.842 KB) | DOI: 10.26877/jitek.v5i2.5921

Abstract

Pada artikel ini dibahas model matematika tipe SEIR untuk menggambarkan penyebaran penyakit infeksi dengan adanya penyembuhan dan tanpa adanya kekebalan terhadap infeksi tersebut. Pada model penyebaran penyakit, populasi dibedakan menjadi empat subpopulasi yaitu subpopulasi susceptible (subpopulasi individu yang rentan terhadap penyakit), subpopulasi exposed (subpopulasi individu yang terinfeksi namun belum menunjukkan tanda-tanda mengidap penyakit), subpopulasi infected (subpopulasi individu yang terinfeksi serta dapat menularkan penyakit) dan subpopulasi recovered (subpopulasi individu yang sembuh dari penyakit). Dalam model epidemik masa inkubasi disebut periode laten (exposed). Adanya periode laten erat kaitannya dengan model epidemik SEIR. Penyebaran penyakit sangat luas, sehingga dilakukan kontrol untuk meminimumkan subpopulasi infected dengan cara memberikan obat pada subpopulasi tersebut, serta meminimumkan biaya dari obat tersebut terhadap subpopulasi infected. Sedemikian hingga subpopulasi terinfeksi berkurang dan subpopulasi recovered akan bertambah dengan biaya pengobatan yang minimum. Untuk membentuk model kontrol adalah memebentuk Persamaan Pontriagin, kemudian menurunkan Pontriagin Hamiltonian terhadap kontrol, selanjutnya hasil turunan kontrol tersebut disubstitusikan kedalam Hamiltonian, sehingga diperoleh Hamiltonian Optimal. Dalam menentukan State dengan cara menurunkan Hamiltonian Optimal terhadap SEIR dan untuk menentukan Co-State dengan cara menurunkan Hamiltonian Optimal terhadap masing - masing nilai batas akhir yang bebas. Simulasi yang digunakan dengan Software Matlab berbantuan toolbox BVP4C. Berdasarkan hasil simulasi tersebut, diperoleh bahawa subpopulasi terinfeksi mengalami penurunan mendekati nol, namun untuk subpopulasi yang sembuh mengalami kenaikan yang tinggi. Sedemikian hingga kontrol yang diberikan untuk pengendalian model penyebaran penyakit sangat efektif.
Pengaruh Harga, Promosi, Dan Kualitas Pelayanan Terhadap Keputusan Pembelian Produk Batik Tenun Ikat di CV. Silvi Mn Paradila Parengan Maduran Lamongan Martha Laila Arisandra; Rifky Ardhana Kisno Saputra; Miftakhul Khoiriyah
Kompetensi (Competence : Journal of Management Studies) Vol 15, No 2 (2021): Oktober
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/kompetensi.v15i2.12511

Abstract

Batik merupakan salah satu hal yang dilirik dalam industri fashion. Hal tersebut dapat mempengaruhi keputusan pembelian dalam membeli batik. Dalam hal ini di daerah Lamongan tepatnya di Desa Parengan, Kecamatan Laren juga terdapat industri batik yang dikelola oleh CV Silvi MN Paradila merupakan salah satu industri batik yang menyediakan kain batik tenun ikat, adapun songket, batik tradisional, pakaian jadi, dan sarung. Penelitian ini bertujuan untuk mengetahui pengaruh harga, promosi dan kualitas pelayanan terhadap keputusan pembelian produk batik tenun ikat di CV. Silvi MN Paradila Parengan Maduran Lamongan. Teknik pengambilan sampel yang digunakan adalah purposive sample yang berjumlah 100 responden. Metode ini menggunakan kuantitatif dengan pendekatan explanatory reseach yang menggunakan analisis data dengan uji validitas dan reabilitas, analisis regresi linier berganda, uji asumsi klasik, uji koefisiensi determinasi, serta uji t dan uji f. Kemudian hasil R square sebesar 95,4%. Menunjukkan 3 variabel independen terhadap variabel dependen sebesar 95,4%. Sedangkan sisanya sebesar 4,6% dijelaskan oleh variabel lain yang tidak diajukan dalam penelitian ini. Batik is one thing that is ogled in the fashion industry. This can affect purchasing decisions in buying batik. In this case, in the Lamongan area, precisely in Parengan Village, Laren District, there is also a batik industry managed by CV Silvi MN Paradila is one of the batik industries that provides ikat batik cloth, as for songket, traditional batik, apparel, and sarongs. This study aims to determine the effect of price, promotion and service quality on purchasing decisions of ikat batik products at CV. Silvi MN Paradila Parengan Maduran Lamongan. The sampling technique used is a purposive sample of 100 respondents. This method uses a quantitative explanatory research approach that uses data analysis with validity and reliability tests, multiple linear regression analysis, classical assumption test, coefficient of determination test, and t test and f test. Then the result of R square is 95.4%. Shows 3 independent variables to the dependent variable of 95.4%. While the remaining 4.6% is explained by other variables not proposed in this study.
MINAT BERWIRAUSAHA MAHASISWA BERDASARKAN TINGKAT KESEJAHTERAAN KELUARGA (STUDI KASUS DARI MAHASISWA UNIVERSITAS ISLAM DARUL ‘ULUM LAMONGAN) Rifky Ardhana Kisno Saputra
HUMANIS: Jurnal Ilmu-Ilmu Sosial dan Humaniora Vol 11 No 1 (2019): Januari
Publisher : LPPM UNISDA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/humanis.v11i1.1418

Abstract

The welfare of the family is a family that is formed on the basis of legitimate marriage, able to meet the spiritual and material needs of life are worth , fear of God Almighty, have relationships which are harmonious , and balanced between family members and community members , as well as the environment. (Act No.10 of 1992 ). This study was included in the quantitative description of the type of research aims to test the hypothesis or not the relationship between the level of family welfare with interest in entrepreneurship students. Technique choose sample by simple random sampling that is by lottery. Methods of data collection in this study are questionnaires, interviews and documentation. Methods of analysis using correlation analysis technique using product moment formula.Based on the calculation of r xy was done to obtain the result of 0.77 indicates a strong correlation between variables X or higher and variable Y.
PENGARUH PEMANFAATAN KOPERASI TERHADAP TINGKAT KESEJAHTERAAN WARGA PADA KOPERASI SIMPAN PINJAM “KARYA AGUNG” BOJONEGORO Rifky Ardhana Kisno Saputra
HUMANIS: Jurnal Ilmu-Ilmu Sosial dan Humaniora Vol 11 No 2 (2019): Juli
Publisher : LPPM UNISDA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/humanis.v11i2.2301

Abstract

Cooperative business entities have the main goal not to seek profit but to serve members of the cooperative to be more prosperous based on the principle of family. The savings and loan cooperative "Karya agung" collects funds from its members who then redistribute the funds to its members. This study aims to provide an overview of the effect of cooperative use on the level of welfare of citizens. The taking technique used in this research is random sampling technique. The method of data collection used is to use questionnaires, interviews and documentation. The analysis method uses correlation analysis techniques with the product moment. Calculation of the value of which states that there is an influence between the use of savings and loan cooperatives to the level of welfare of citizens.
Analisis Pengaruh Gaya Kepemimpinan dan Motivasi Kerja Terhadap Kinerja Pegawai Dan Dampaknya Pada Disiplin Kerja Di Mts.N 1 Lamongan Rifky Ardhana Kisno Saputra; Isnaini Anniswati Rosyida
Jurnal Studi Manajemen dan Bisnis Vol 7, No 2 (2020): Desember
Publisher : Trunojoyo University of Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jsmb.v7i2.9046

Abstract

BUDAYA KERJA ISLAMI DI BRI SYARI’AH DAN PENGARUHNYA TERHADAP KINERJA KARYAWAN Endah Yuliani; Rifky Ardhana Kisno Saputra
J-MACC Vol 3 No 2 (2020): Oktober
Publisher : Fakultas Ekonomi Universitas Islam Darul Ulum Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/j-macc.v3i2.2067

Abstract

The purpose of this study is to see the influence of the Islamic Work Culture "PASTI OKE" on the employee performance of BRI Syari'ah Banyuwangi branch offices, using a quantitative descriptive approach. With the census determination method a sample of 28 employees. The technique of collecting data uses observation techniques, interview techniques, questionnaire techniques or documentation questionnaire techniques. Meanwhile, the instrument used in this study was a questionnaire or a questionnaire. The test instrument used was the validity and reliability test, the data transformation used the excel program. By using data analysis through multiple regression (multiole regression), the results of the study show that the Islamic Work Culture "PASTI OKE" has a positive effect on employee performance.
Pengaruh Motivasi, Disiplin, dan Lingkungan Kerja Terhadap Kinerja Karyawan pada KSPPS BTM Mulia Rifky Ardhana Kisno Saputra; Siti Nur Wahidah
ADILLA : Jurnal Ilmiah Ekonomi Syari'ah Vol 5 No 2 (2022): Juli
Publisher : Universitas Islam Darul 'ulum Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (599.346 KB) | DOI: 10.52166/adilla.v5i2.3263

Abstract

Penelitian ini bertujuan untuk mengetahui apakah terdapat pengaruh motivasi, disiplin, dan lingkungan kerja terhadap kinerja karyawan KSPPS BTM Mulia baik secara simultan ataupun parsial. Adapun latar belakang penelitian ini, peneliti menemukan permasalahan kurang maksimalnya kinerja karyawan yang diduga akibat rendahnya motivasi, disiplin, dan lingkungan kerja. Penelitian ini menggunakan metode kuantitatif. Teknik pengumpulan data primer diperoleh dari hasil wawancara dan kuesioner, sedangkan data sekunder diperoleh dari data studi kepustakaan. Dalam penentuan sampel digunakan teknik Proportionate Stratified Random Sampling dimana teknik ini digunakan bila populasi mempunyai anggota yang tidak homogen dan berstrata secara proposional dan didapatkan 45 orang responden. Metode analisis data menggunakan uji validitas, uji reliabilitas, analisis regresi linier berganda, uji asumsi klasik, uji multikolonieritas, ujii autokorelasi, uji heteroskedasitas, uji normalitas, uji hipotesis, uji f (uji simultan), uji t (uji parsial), koefisien determinasi. Hasil penelitian yang dilakukan menunjukkan bahwa secara parsial variabel motivasi berpengaruh positif terhadap kinerja karyawan. Hasil uji parsial variabel disiplin berpengaruh positif terhadap kinerja karyawan. Dan hasil uji parsial variabel lingkungan tidak berpengaruh positif terhadap kinerja karyawan. Sedangkan secara simultan variabel motivasi, disiplin, dan lingkungan kerja berpengaruh positif terhadap kinerja karyawan.
Model Kontrol Optimal SIR Pada Penyakit Campak Awawin Mustana Rohmah; Siti Alfiatur Rohmaniah; Rifky Ardhana Kisno Saputra
UJMC (Unisda Journal of Mathematics and Computer Science) Vol 8 No 1 (2022): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department, Faculty of Mathematics and Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v8i1.3226

Abstract

The SIR model is one of the epidemic models to describe the spread of infectious diseases with healing and without immunity to these infections. Environmental changes can affect changes in disease patterns that can cause endemic. One of the diseases that cause endemic is Measles (Measles). Therefore, it is necessary to take preventive measures to reduce the rate of spread of the disease, the most effective measure to prevent the spread of the disease is vaccination. Measles transmission prevention events that occur in a population can be modeled in a mathematical form, one of which is the SIR model. The SIR model is divided into four subpopulations, namely the susceptible population or a subpopulation of susceptible individuals to the disease, the infected subpopulation or a subpopulation of infected individuals and can transmit the disease and the recovary subpopulation or individual subpopulation recovering from the disease. Vaccination in this case is the addition of controls to the SIR model, where before being controlled, Measles was only treated normally without vaccines, so that the disease is still common in the community. Giving the right vaccine will reduce the number of infected subpopulations, so that the recovery subpopulation will increase. In this study, the SIR model was developed with the addition of controls. The control in this model is a vaccination given to infected subpopulations, so that the recovery subpopulation has increased, because the number of infected subpopulations has decreased. Abstrak Model SIR merupakan salah satu model epidemik untuk menggambarkan penyebaran penyakit infeksi dengan adanya penyembuhan dan tanpa adanya kekebalan terhadap infeksi tersebut. Perubahan lingkungan hidup dapat mempengaruhi perubahan pola penyakit yang dapat menimbulkan endemik. Salah satu penyakit yang menyebabkan endemi yaitu penyakit Campak (Measles). Oleh karena itu perlu adanya tindakan pencegahan untuk mengurangi laju penyebaran penyakit tersebut, tindakan yang dinilai paling efektif untuk mencegah penyebaran penyakit adalah dengan cara vaksinasi. Kejadian pencegahan penularan penyakit Campak yang terjadi pada suatu populasi dapat dimodelkan ke dalam bentuk matematis, salah satunya adalah model SIR. Model SIR dibagi menjadi empat subpopulasi yaitu populasi susceptible atau subpopulasi individu rentan terhadap penyakit, subpopulasi infected atau subpopulasi individu terinfeksi serta dapat menularkan penyakit dan subpopulasi recovary atau subpopulasi individu sembuh dari penyakit. Vaksinasi dalam hal ini adalah penambahan kontrol pada model SIR, dimana sebelum dikontrol, penyakit Campak hanya diobati biasa tanpa pemberian vaksin, sehingga penyakit tersebut masih banyak dijumpai di masyarakat. Pemberian vaksin yang tepat, akan menurunkan jumlah subpopulasi terinfeksi, sehingga subpopulasi recovery akan mengalami kenaikan. Pada penelitian ini mengembangkan model SIR dengan penambahan kontrol. Kontrol pada model tersebut merupakan vaksinasi yang diberikan kepada subpopulasi infected, sehingga subpopulasi recovery mengalami kenaikan, kerena jumlah subpopulasi infected menurun.
Co-Authors Ahmad Thoyibul Hanif Akhmad Ridlo Iqdam A Ali Muhajir Awawin Mustana Rohmah Dinda Wulandari Endah Yuliani Endah Yuliani Hafnah Khilwatul Ilmi Have Zulkarnaen I Ketut Suada Isnaini Anniswati Rosyida Istiqomah, Istiqomah Makhrus Afif Martha Laila Arisandra Miftahul Huda Miftakhul Khoiriyah Mohammad Syaiful Pradana, Mohammad Syaiful Muhammad Hafidh Nashrullah Nailatun Nafisah Novita Eka Chandra, Novita Eka Nur Hidayati Nurkaromah Dwidayati, Nurkaromah Siti Alfiatur Rohmaniah Siti Nur Wahidah Sukestiyarno Sukestiyarno Yoga Amar Pradana