ZAHIRA ITSNA USWATUN HASANAH; KARINA NUR RAMADHANINTYAS; RETNO WIDIARINI. The Relationship between Occupational Safety and Health (K3) Knowledge and Machine Work Productivity at UPT Crew Madiun Train. ARMADA : Jurnal Penelitian Multidisiplin, [S. l.], v. 4, n. 8, p. 4154–4163, 2026. Disponível em: https://ejournal.45mataram.ac.id/index.php/armada/article/view/3463. Acesso em: 10 sep. 2026.