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All Journal Jurnal Administrasi Bisnis Jurnal Ilmiah Mahasiswa Ekonomi Manajemen Kinerja: Jurnal Ekonomi dan Manajemen Jurnal Tabarru': Islamic Banking and Finance Adaara: Jurnal Manajemen Pendidikan Islam Jurnal Manajemen Bisnis Indonesian Journal of Business Analytics (IJBA) Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) Karaton: Jurnal Riset dan Inovasi Sumenep
Alvin Arifin
Universitas Bahaudin Mudhary Madura
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Social Sciences Other

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Analisis kinerja perbankan syariah di Indonesia periode 2008-2017 Najiatun Najiatun; Alvin Arifin; Ach. Zuhri; Nurlaily Wulandari
KINERJA Vol 18, No 3 (2021): Agustus
Publisher : Faculty of Economics and Business Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jkin.v18i3.10046

Abstract

The study analyzes the performance of Islamic banking in Indonesia for the 2018-2017 period. The purpose of this study is to analyze the performance of a sharia banking institution in Indonesia for the 2018-2017 period, because the financial performance of a bank shows the condition and health of a sharia banking report. The data analysis used is panel data regression analysis which is a combination of time series data for the period 2008 - 2017 and cross-setion data consisting of Muamalat Syariah, BNI Syariah, BRI Syariah, Maybank Syariah, Mega Syariah, BCA Syariah. The findings of this study are that the CAR and NIM variables partially have no significant effect on the performance of Islamic banks (ROA). And for the NPF and FDR variables partially have a significant effect on bank performance (ROA). Suggestions that can be given are the ratio of Islamic Bank's capital (CAR) can be improved by increasing the quality of capital. This can be done by paying more attention to capital requirements for each credit expansion in Islamic banks, the quality of the NPL ratio can be improved by being more careful in lending to customers to reduce the number of bad and non-performing loans.
The Influence of Leadership Style on the Performance of State Vocational High School Teachers in Sumenep Regency with Organizational Commitment as a Mediating Variable Alvin Arifin; Ernani Hadiyati
Manajemen Bisnis Vol. 13 No. 02 (2023): October
Publisher : Universitas muhammadiyah malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/mb.v13i02.29652

Abstract

This research investigates the relationship between leadership style and performance in public vocational high schools in the Sumenep Regency, with organizational commitment serving as a moderating variable. The object of this research is educators who teach at vocational high schools in Sumenep Regency. The function of the teaching profession is to disseminate information for the purpose of educating the population of a country or other entity. This research is quantitative and investigates the influence that varying factors have on one another. The data source used is primary data, and data gathering techniques use questionnaires delivered to respondents. The population of this study consisted of 211 instructors working at State Vocational High Schools (SMK) in the Sumenep Regency. 138 participants filled out the questionnaire using the Slovin method. The following are the findings that led to these conclusions from this research: (1) Leadership style has a significant effect on performance; (2) leadership style has a significant effect on organizational commitment; (3) organizational commitment has a significant effect on performance; and (4) organizational commitment significantly mediates the influence that leadership style behavior has on performance. In order to develop great students and increase student interest in attending private schools, private schools must further enhance the effectiveness of their teachers.
PEMANFAATAN LIMBAH HASIL INSTALASI PENGELOLAAN AIR LIMBAH (IPAL) TAMBAK UDANG BERBASIS TEKNOLOGI BIOFILTER AERASI DI KABUPATEN SUMENEP Arifin, Alvin
Jurnal Karaton Vol 1 No 2 (2022): Karaton: Jurnal Pembangunan Sumenep
Publisher : Badan Riset dan Inovasi Daerah Kabupaten Sumenep

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Abstract

Tambak udang merupakan salah satu kegiatan di wilayah pesisir yang berpotensimemberikan dampak pencemaran terhadap lingkungan. Limbah yang dihasilkan dari kegiatan tambak udang mengandung bahan organik yang berasal dari hasil ekskresi dan sisa pakan udang tersebut. Sumber air di Desa LapaTaman sudah terinfeksi oleh bakteri Escherichia coli (E. coli), maka peneliti fokus untuk menangani bagian limbah dari tambak udang. Dalam penelitian, ukuran IPAL adalah 2x1 kemudian air bisa dialirkan keluar tambak setelah melalui proses filtrasi, desain dan pengoperasian IPAL minimalis untuk pengadaan IPAL paling sederhana dengan biaya operasional terendah. Namun, jika petambak rela mengeluarkan biaya lebih untuk meningkatkan kualitas air buangan limbah tambak udangnya atau kualitas effluent/air buangan masih belum optimal dapat menerapkan tambahan kolam aerasi/biofiltrasi/disinfeksi dengan tambahan luasan 20% dari luas IPALminimalis yang ada. Maka modifikasi IPAL minimalis dapat berupa kolam IPAL minimalis dengan kolam biofiltrasi dan kolam IPAL minimalis full aerasi dengan kolam biofiltrasi/disinfeksi. Keberhasilan pengoperasian IPAL minimalis adalah pengeluaran lumpur secara rutin dari central drain IPAL minimalis ke kolam drying bed sehingga tidak ada deposit lumpur di kolam IPAL minimalis tersisa, hanya limbah cair saja. Pada tahap awal petambak dapat menerapkan IPALyang minimalis untuk menjaga kelestarian lingkungan sekitar dan kesinambungan budidaya tambaknya.
THE OPTIMIZATION STRATEGY OF FISHERY WASTE IN SUMENEP REGENCY AS A VALUE-ADDED PRODUCT BASED ON THE CIRCULAR ECONOMY Alvin Arifin; Moh. Sofwan Kastir Al Aziz; Liahmad Liahmad; Novi Wahyuningtias; Naila Tsawaba
Jurnal Ilmiah Manajemen, Ekonomi, & Akuntansi (MEA) Vol 9 No 3 (2025): Edisi September - Desember 2025
Publisher : LPPM STIE Muhammadiah Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31955/mea.v9i3.6467

Abstract

The fisheries sector in Sumenep Regency plays a vital role in food security and the local economy, but generates substantial waste, including fish heads, bones, viscera, and skins. Most of these residues are discarded into the sea or landfills, creating environmental burdens and economic losses. This study aims to formulate a strategy for optimizing fishery waste based on circular economy principles using a sequential explanatory mixed-methods approach. The quantitative phase employed multiple linear regression to examine the effects of business duration, technology, and average catch on waste utilization. Results indicate that technology significantly influences utilization (p < 0.01), whereas business duration and catch volume are not significant. The qualitative phase, involving in-depth interviews and focus group discussions, reinforced these findings by revealing that limited access to simple processing technologies, weak market linkages, and inadequate regulations remain the main obstacles. Nevertheless, respondents recognized the potential of fish waste to be converted into organic fertilizer, animal feed, fish oil, and collagen. This study concludes that appropriate technology, market access, and regulatory as well as multi-stakeholder collaboration are crucial for implementing a circular economy model in Sumenep’s fisheries sector. The practical implication suggests strengthening community capacity and policy support to advance sustainable fishery waste valorization.
Turnover Intention among Private School Teachers in Madura: Empirical Evidence of the Mediating Role of Organizational Commitment Alvin Arifin; Endang Suswati; Sugeng Mulyono; M. Jamal Abdul Nasir; Martaleni
Indonesian Journal of Business Analytics Vol. 6 No. 1 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijba.v6i1.16072

Abstract

High turnover intention among private school teachers poses a serious challenge to educational continuity, particularly in regions with limited retention capacity such as Madura Island. This study examines the effects of resilience and life demands on turnover intention, with organizational commitment as a mediating variable. Using a quantitative explanatory approach, data were collected through a structured survey of 100 private school teachers selected via proportional random sampling across four regencies on Madura Island. Data were analyzed using Partial Least Squares–Structural Equation Modeling (PLS-SEM). The findings reveal that organizational commitment significantly reduces turnover intention and fully mediates the effects of resilience and life demands. These results underscore the critical role of organizational commitment in shaping teachers’ retention decisions.
Co-Authors Ach. Zuhri Damayanti, Elok Endang Suswati Ernani Hadiyati Liahmad Liahmad M. Jamal Abdul Nasir Martaleni Masfufatul Khoiriyah Moh Sofwan Kastir Al Aziz Moh. Arifin Nadiyah Masithah Sani Naila Tsawaba Najiatun Najiatun Novi Wahyuningtias Nurlaily Wulandari RA. Istiqomah Pujiningtiyas Sugeng Mulyono