Supriyadi, Budi, and Andi Hermawan. “Perancangan Sistem Informasi Penjualan Ponsel”. Reputasi: Jurnal Rekayasa Perangkat Lunak 1, no. 1 (May 25, 2020): 38-47. Accessed December 23, 2024. http://eprints.bsi.ac.id/index.php/reputasi/article/view/61.