Firdaus, Muh. Irfan, and Rizki Kumalasari. 2026. “Hazard Identification, Assessment and Control of OHS Risks in Nickel Mining Operations in Batu Putih District ”. Indonesian Soil and Rock Mechanics 1 (1):16-24. https://ejournal.insightpublisher.com/index.php/isrm/article/view/395.