“APPLICATION OF OCCUPATIONAL SAFETY AND HEALTH TRANS METRO ON BUS DRIVERS PEKANBARU CITY ”. Jurnal Kesehatan Komunitas 6, no. 1 (Mei 28, 2020): 92–97. Diakses Agustus 18, 2026. https://jurnal.htp.ac.id/index.php/keskom/article/view/459.