Parsaoran Sipayung, Erwin, T. Riza Zarzani, and Mhd. Azhali Siregar. 2026. “The Effectiveness of Law Enforcement Against Corporations in Narcotics Distribution Offenses by the Narcotics Investigation Directorate of the North Sumatra Regional Police”. International Conference Epicentrum of Economic Global Framework, March, 535-42. https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/1613.