MUH. IKRAM NUR ILAHI; ACHMED SUKENDRO; M. ADNAN MADJID; PUJO WIDODO. Empirical Approach in Border Defense in the North Natuna Sea. International Journal Of Humanities Education and Social Sciences (IJHESS) , [S. l.], v. 4, n. 3, 2024. DOI: 10.55227/ijhess.v4i3.1215. Disponível em: https://ijhess.com/index.php/ijhess/article/view/1215. Acesso em: 11 apr. 2026.