Zeinda, E.M. and Hidayat, S. 2017. RISK ASSESSMENT KECELAKAAN KERJA PADA PENGOPERASIAN BOILER DI PT. INDONESIA POWER UNIT PEMBANGKITAN SEMARANG. The Indonesian Journal of Occupational Safety and Health. 5, 2 (May 2017), 183–191. DOI:https://doi.org/10.20473/ijosh.v5i2.2016.183-191.