Lelei, Kirwa, John Muteti, and Adrian Njenga. “Extent of Heroin Use in Kenya”. African Journal of Alcohol and Drug Abuse (AJADA) 5, no. 2 (June 30, 2021): 83–84. Accessed May 9, 2025. https://ajada.nacada.go.ke/index.php/ajada/article/view/33.