Kristanto, E. B., S. Andrayana, and B. Benramhman. “Application of Waterfall SDLC Method in Designing Student’s Web Blog Information System at the National University: Application of Waterfall SDLC Method in Designing Student’s Web Blog Information System at the National University”. Jurnal Mantik, vol. 4, no. 1, May 2020, pp. 472-8, https://www.ejournal.iocscience.org/index.php/mantik/article/view/778.