Trio AD A, Dahlan D, Nofrial R. 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). IJERLAS [Internet]. 2022 Dec. 18 [cited 2024 Jul. 6];3(1):83-90. Available from: https://radjapublika.com/index.php/IJERLAS/article/view/491