“Sistem Informasi Monitoring Kolektibilitas Dan Manajemen Penagihan Piutang Koperasi Berbasis Web”. Journal of Informatic and Information Security 7, no. 1 (July 31, 2026): 37–48. Accessed August 3, 2026. https://ejurnal.ubharajaya.ac.id/index.php/jiforty/article/view/5752.