1.
Lenny Husna, Ukas Ukas. Agreement On Settling The Flight Informtion Region (FIR) Boundary Line Between Indonesia And Singapore On Indonesia’s Southernmost Island. IJSW [Internet]. 2025 Feb. 3 [cited 2026 Apr. 2];2(1):47-56. Available from: https://international.appisi.or.id/index.php/IJSW/article/view/181