PERKASA, M. M. A. . Criminologists’ Perspective of Factors Contributing to Unreported Narcotics Crimes. Ius Poenale, [S. l.], v. 4, n. 2, p. 77–84, 2023. DOI: 10.25041/ip.v4i2.3003. Disponível em: https://jurnal.fh.unila.ac.id/index.php/ip/article/view/3003. Acesso em: 6 sep. 2025.