Denanto, Shouqi, Sharyanto Sharyanto, and Bernadus Gunawan Sudarsono. “Design of a Foreigner Registration System at the TPI Depok Immigration Office”. Journal of Mathematics and Technology (MATECH) 1, no. 2 (November 16, 2022): 85–90. Accessed December 7, 2025. https://www.journal.binainternusa.org/index.php/matech/article/view/74.