Dewa Kurniawan Nusantoro and Pastima Simanjuntak 2025. IMPLEMENTASI APLIKASI E-COMMERCE BERBASIS ANDROID MENGGUNAKAN METODE WATERFALL. Computer and Science Industrial Engineering (COMASIE). 12, 2 (Feb. 2025), 81–90. DOI:https://doi.org/10.33884/comasiejournal.v12i2.9705.