Permatasari, Angelina. “Rancangan Sistem Informasi Penjualan Pada Toko Kue”. ComTech: Computer, Mathematics and Engineering Applications 6, no. 1 (March 1, 2015): 31–43. Accessed January 8, 2026. https://journal.binus.ac.id/index.php/comtech/article/view/2284.