Sidik S, Maulana A, Wahid BA. Penerapan Model Waterfall Pada Sistem Informasi Penjualan Berbasis Web. FORMAT [Internet]. 2020 Aug. 19 [cited 2026 May 28];9(1):48-57. Available from: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/format/article/view/8324