Fawaidul Badri, Ridwan Maulana, Khusnul Khotimah, Rizqi Putri Nourma Budiarti, and Awang Andhyka. 2022. “Design and Build a Web App-Based Conference Registration System Using the Waterfall Model”. Applied Technology and Computing Science Journal 4 (2):119-27. https://doi.org/10.33086/atcsj.v4i2.2820.