Ritzkal, Puspa Putri Amalia, A. Hendri Hendrawan, Freza Riana, and Kodarsyah. 2022. “Application Of The Waterfall Method In The Final Project Guidance Realization Information System”. Jurnal Mantik 6 (2):1449-58. https://iocscience.org/ejournal/index.php/mantik/article/view/2529.