2025. PENERAPAN HAZARD IDENTIFICATION RISK ASSESMENT AND MITTIGATION (HIRM) PADA PENGGUNAAN LABORATORIUM WORKSHOP POLITEKNIK PENERBANGAN MEDAN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH. 8, 3 (Aug. 2025), 3762–3770. DOI:https://doi.org/10.54314/jssr.v8i3.4087.