Sahrul Ramadhan, Teti Desyani. Aplikasi Monitoring Sales Lapangan Berbasis Android Menggunakan Metode Waterfall. SS [Internet]. 2022 Jun. 1 [cited 2026 Apr. 15];2(2):879-921. Available from: https://mail.pijarpemikiran.com/index.php/Scientia/article/view/387