HERU WIDAYANTO11.01.53.0058. “SISTEM INFORMASI KOPERASI SIMPAN PINJAM BERBASIS WEB MOBILE”. Information Technology and Telematics 6, no. 1 (April 20, 2016). Accessed March 29, 2024. https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/3930.