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METODE JOB SAFETY ANALYSIS DALAM PENGENDALIAN RESIKO KERJA DI PT. JAKARANA TAMA CABANG MEDAN. JKG [Internet]. 2020 Oct. 31 [cited 2025 Jul. 1];3(1):48-55. Available from: https://ejournal.medistra.ac.id/index.php/JKG/article/view/480