Kusumo, F. N., Triayudi, A. and Sahara, R. (2020) “Application On Payment UPS Online For Students Android-Based National University Information System: Application On Payment UPS Online For Students Android-Based National University Information System”, Jurnal Mantik, 4(1), pp. 926-935. Available at: https://www.ejournal.iocscience.org/index.php/mantik/article/view/829 (Accessed: 2September2026).