Indriani, F., Gustara, R. A., Astuti, Y. A., Arianti, T., Wulandari, S., Octavia, M. D., Harahap, H. D., Amini, A., Berutu, M., & Wati, D. I. R. (2024). IDENTIFICATION OF K3 HAZARD RISK IN FIREFIGHTERS AT MEDAN CITY FIRE AND RESCUE SERVICE. HEARTY, 12(2), 160–166. https://doi.org/10.32832/hearty.v12i2.16250