SISTEM PENGELOLAAN USAHA KOPERASI SIMPAN PINJAM KOPPONTREN AL-MASHDUQIAH PATOKAN KRAKSAAN PROBOLINGGO. jizzi [Internet]. 2024 Jan. 30 [cited 2026 May 7];4(1):1-6. Available from: https://jurnalstebibama.ac.id/index.php/jizzi/article/view/136