Rahmat Joko Trilaksono. “Rancang Bangun Aplikasi Kasir Berbasis Offline Pada Primkop Kartika Viyata Virajati”. ULIL ALBAB : Jurnal Ilmiah Multidisiplin 1, no. 4 (March 9, 2022): 857–865. Accessed October 16, 2025. http://ulilalbabinstitute.id/index.php/JIM/article/view/169.