Kadek Tinika Pradnya Nita; Sri Kuncoro Bawono; Agung Sulistyo Purnomo. OPTIMALISASI PENGAWASAN KEIMIGRASIAN BERBASIS SISTEM INFORMASI MELALUI APLIKASI PELAPORAN ORANG ASING (APOA): OPTIMIZING OF IMMIGRATION SURVEILLANCE THROUGH THE FOREIGN NATIONALS REPORTING APPLICATION (APOA) AS AN INFORMATION SYSTEM. tematics 2025, 7, 117-127.