(1)
Suhartina, S.; Saleh, L. M.; Sirajuddin, S.; Baja, S.; Mallongi, A. 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 Maced J Med Sci 2020, 8, 183-187.