Lubis, Adhayani, Aznan Lelo, Dina Keumala Sari, and Diah S. Utami. “The Effectiveness of Cholecalciferol Addition at Improving Psychosis Symptoms in Amphetamine-Type Stimulant (ATS) Users”. Pakistan Journal of Nutrition 19, no. 2 (January 15, 2020): 44–50. Accessed September 6, 2025. https://pjnonline.org/pjn/article/view/2828.