Hadinagoro, Abigail Syaqiena, and Muhammad Imam Nasef. “Optimization of Visa Services through Information Technology at the South Jakarta Immigration Office Based on Immigration Law”. Rechtenstudent 7, no. 1 (April 6, 2026): 14–25. Accessed April 9, 2026. https://rechtenstudent.uinkhas.ac.id/index.php/rch/article/view/421.