saifudin, saifudin. “Penerapan Model Waterfall Dan Blackbox Testing Dalam Pembuatan Sistem Informasi E-Aset Desa Berbasis Web”. Informatics and Computer Engineering Journal 1, no. 2 (July 11, 2021): 14-18. Accessed May 7, 2024. http://jurnal.bsi.ac.id/index.php/ijec/article/view/445.