Pratiwi, Hera Yulinanda. “ANALISIS PENERAPAN CONTRACTOR SAFETY MANAGEMENT SYSTEM (CSMS) DI PT. X, BONTANG, KALIMANTAN TIMUR”. The Indonesian Journal of Occupational Safety and Health 6, no. 2 (March 22, 2018): 187–196. Accessed August 5, 2024. https://e-journal.unair.ac.id/IJOSH/article/view/4138.