Munazar, Wiryanto, and Khairunnisa. “Evaluation of Supplement Consumption on North Sumatera Regional Police Headquarters Personnel”. Indonesian Journal of Pharmaceutical and Clinical Research 3, no. 2 (December 31, 2020): 32-40. Accessed March 29, 2024. https://talenta.usu.ac.id/idjpcr/article/view/4333.