SIREGAR, F.; HASIBUAN, S. A. Effectiveness Of Criminal Sanctions Against Perpetrators Of Narcotics Crime. Lead Journal of Economy and Administration, [S. l.], v. 2, n. 2, p. 81–90, 2023. DOI: 10.56403/lejea.v2i2.136. Disponível em: https://internationalpublisher.id/journal/index.php/Lejea/article/view/136. Acesso em: 28 oct. 2025.