1.
Syahri IM, Fitria M. The Activity of Occupational Health Effort on Five Occupational Health Posts (Pos UKK) in Medan. KLS [Internet]. 2019 Mar. 7 [cited 2025 Aug. 13];4(10):333–338. Available from: https://knepublishing.com/index.php/KnE-Life/article/view/3803