Alamsyah, Muhammad Nur, and Ratih Yulia Hayuningtyas. “Implementasi Metode Waterfall Pada Sistem Informasi Perpustakaan Berbasis Web (Studi Kasus SDN Tegalangus)”. Informatics and Computer Engineering Journal 3, no. 1 (January 20, 2023): 1-7. Accessed December 1, 2024. http://4258.wcapt.asia/index.php/ijec/article/view/1547.