Aditia, Rian, Agung Triayudi, and Novi Dian Nathasia. 2020. “Android-Based National University Logistic Information System Using Sdlc Model Waterfall Method: Android-Based National University Logistic Information System Using Sdlc Model Waterfall Method”. Jurnal Mantik 4 (1):817-24. https://www.iocscience.org/ejournal/index.php/mantik/article/view/826.