Ramadan, Angga Riski, Agus Junaidi, and Mochammad Abdul Azis. “KAI Commuter Employee Development Application Using The Waterfall Method”. Informatics and Software Engineering 1, no. 2 (November 3, 2023): 44–50. Accessed August 2, 2025. https://sanscientific.com/journal/index.php/ise/article/view/93.