Marbun, A., Simamora, J. and Nainggolan, O. (2026) “The Role of the North Sumatra Provincial National Narcotics Agency in Preventing the Abuse of Narcotic-Laced Vape Liquid Among the Residents of Medan City”, Adagium: Jurnal Ilmiah Hukum, 4(2), pp. 1045–1062. doi:10.70308/ax4dn483.