Ni’mah, Kori’atun, Joko Sutrisno, and Lingga Kusuma Wardani. “Dextromethorphan Drug Abuse Against Adolescent Learning Concentration: Literature Review”. Open Access Health Scientific Journal 2, no. 2 (August 1, 2021): 42–47. Accessed January 22, 2026. https://oahsj.org/index.php/oahsj/article/view/18.