Aditya, R., V. H. . Pranatawijaya, and P. B. A. A. Putra. “Rancang Bangun Aplikasi Monitoring Kegiatan Menggunakan Metode Prototype”. Journal of Information Technology and Computer Science, vol. 1, no. 1, June 2021, pp. 47-57, https://e-journal.upr.ac.id/index.php/jcoms/article/view/2955.