Trio AD, Alex, Dahlan Dahlan, and Ramon Nofrial. “JURIDICAL ANALYSIS OF THE ROLE OF POLRI IN DISCOVERING THE CIRCULATION OF NARCOTICS IN THE LEGAL AREA OF THE RIAU ISLANDS (Research Study at Barelang Police)”. International Journal of Educational Review, Law And Social Sciences (IJERLAS) 3, no. 1 (December 18, 2022): 83–90. Accessed July 6, 2024. https://radjapublika.com/index.php/IJERLAS/article/view/491.