Indriani F, Gustara RA, Astuti YA, Arianti T, Wulandari S, Octavia MD, et al. IDENTIFICATION OF K3 HAZARD RISK IN FIREFIGHTERS AT MEDAN CITY FIRE AND RESCUE SERVICE. Hearty [Internet]. 2024 Mar. 29 [cited 2026 Nov. 2];12(2):160-6. Available from: http://150.107.142.43/index.php/Hearty/article/view/16250