A. Chandra and M. Fauzan, “Analysis and Testing of Online Donation Web Application with Waterfall Method Approach”, J.I.S.B.T, vol. 1, no. 2, pp. 54–60, Aug. 2025, Accessed: Mar. 04, 2026. [Online]. Available: https://journal.jci.co.id/jisbt/article/view/54