Suhartina, S., Saleh, L. M., Sirajuddin, S., Baja, S., & Mallongi, A. (2020). Evaluation of the Application of Health and Safety Management System (SMK3) in the Mining Company of PTX. Based on Government Regulation Number 50 of 2012. Open Access Macedonian Journal of Medical Sciences, 8(T2), 183–187. https://doi.org/10.3889/oamjms.2020.5224