Leonardo, Paulus, and Jansen Wiratama. “Empowering Efficiency: A Web-Based Inventory and Sales Information System for Drinking Water Distributors through Rapid Application Development”. Journal of Information Systems and Informatics 5, no. 2 (May 27, 2023): 742-757. Accessed December 19, 2025. https://journal-isi.org.adsii.or.id/index.php/isi/article/view/498.