Maulana MI, Wijayanto D. APLIKASI KASIR BERBASIS WEB DI KEDAI KOPI XYZ MENGGUNAKAN METODE WATERFALL : Web-Based Cashier Application At XYZ Coffee Shop Using The Waterfall Method. J-SAKTI [Internet]. 2023May8 [cited 2024May20];5(2):66-72. Available from: https://journal.umpr.ac.id/index.php/jsakti/article/view/5002