Amelia, Imaniar Rizka, and Anita Handayani. “ANALISIS SISTEM PENGENDALIAN INTERN PELAYANAN JASA DAN PIUTANG PADA PT. POS INDONESIA (PERSERO) MALANG”. Jurnal Bisnis dan Kewirausahaan 13, no. 1 (January 12, 2024): 37–46. Accessed July 4, 2024. https://e-jurnal.nobel.ac.id/index.php/jbk/article/view/4434.