Lumban Gaol, J.O. dkk. 2026. The Role of the Police in Addressing Narcotic Use Among Minors at the Investigation Stage: A Study of the Medan City Metropolitan Police (Polrestabes). Adagium: Jurnal Ilmiah Hukum. 4, 2 (Sep 2026), 1102–1119. DOI:https://doi.org/10.70308/5ef6w712.