Sahrul Ramadhan and Teti Desyani (2022) “Aplikasi Monitoring Sales Lapangan Berbasis Android Menggunakan Metode Waterfall”, Scientia Sacra: Jurnal Sains, Teknologi dan Masyarakat , 2(2), pp. 879–921. Available at: http://www.pijarpemikiran.com/index.php/Scientia/article/view/387 (Accessed: 27 January 2026).