ISNAINI, Fitri; PRAMUDHIARTA, Narwawi. GEOGRAPHIC INFORMATION SYSTEM (GIS) FOR MAPPING OF DRUG ABUSE USING SPATIAL CORRELATION ANALYSIS IN NORTH SUMATRA PROVINCE. Jurnal Pertahanan: Media Informasi tentang Kajian dan Strategi Pertahanan yang Mengedepankan Identity, Nasionalism dan Integrity, [S. l.], v. 6, n. 3, p. 416–428, 2020. DOI: 10.33172/jp.v6i3.879. Disponível em: https://upgradeojs.rifqisyams.id/index.php/DefenseJournal/article/view/879. Acesso em: 23 jul. 2026.