1.
Early DR, Alhuda A. Design an Alumni Data Collection Information System Using the Waterfall Method. Knowbase: Int. J. Knowl. Database [Internet]. 2022 Oct. 15 [cited 2026 Feb. 7];2(2):130-41. Available from: https://ejournal.uinbukittinggi.ac.id/index.php/ijokid/article/view/5855