Sirait, I., Daulay, M. and Kholik, K. (2026) “The Influence Of Leadership And Work Culture On Operational Safety Through Safety Awareness At Pt. Indonesian Railways (Persero) Regional Division I North Sumatra”, Jurnal Fokus Manajemen, 6(4), pp. 1293-1300. doi: 10.37676/jfm.v6i4.12659.