Investigation Unit II/Economics of Nganjuk Police Satintelkam into the 3 Kilogram LPG Scarcity. Indonesian Journal of Police Studies, Semarang, Indonesia, v. 8, n. 7, 2024. DOI: 10.70526/ijps.v8i7.1350. Disponível em: http://journal.akpol.ac.id/index.php/ijps/article/view/1350. Acesso em: 24 oct. 2026.