Agus Heri Yunial. Waterfall Method In Designing A Web-Based Waste Payment Information System (Case Study: Calincing Bukit Valley Housing Rt04/Rw008). JI [Internet]. 2024Jun.22 [cited 2026Apr.24];9(1):226-32. Available from: https://inotera.poltas.ac.id/index.php/inotera/article/view/336