TOBING, Victor; MURADI, Muradi. National Security Systems on The Threat Perception Index. Jurnal Pertahanan: Media Informasi tentang Kajian dan Strategi Pertahanan yang Mengedepankan Identity, Nasionalism dan Integrity, [S. l.], v. 1, n. 2, p. 127–142, 2015. DOI: 10.33172/jp.v1i2.60. Disponível em: https://upgradeojs.rifqisyams.id/index.php/DefenseJournal/article/view/60. Acesso em: 23 jul. 2026.