Prasetyo, Dwi Teguh, Nur Zahrati Janah, and Supardianto Supardianto. “Aplikasi Penjualan Pulsa Elektronik Berbasis Android”. Journal of Applied Informatics and Computing 1, no. 1 (October 25, 2018): 10–13. Accessed March 9, 2025. https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/1001.