Samsudin, Samsudin, and Riri Syafitri Lubis. “Development Of Alumni Portal Application Based Android”. Sinkron : jurnal dan penelitian teknik informatika 6, no. 4 (October 29, 2022): 2518-2529. Accessed April 1, 2026. https://www.jurnal.polgan.ac.id/index.php/sinkron/article/view/11835.