Syamsu, Astri, and Monika Handojono. “Evaluasi Sistem Pengendalian Internal Pada Sistem POS Toko Buku Gramedia Ambon”. Koli Journal : English Language Education 1, no. 1 (August 25, 2020): 29-35. Accessed October 20, 2024. https://ojs3.unpatti.ac.id/index.php/koli/article/view/2415.