Oktavia Eka Saputri and W. Hariyono, “Analysis of the Implementation of the Occupational Safety and Health (OSH) Program in the Operation Unit at Lempuyangan Station PT KAI (Persero) Operating Area (DAOP) VI Yogyakarta”, Periodicals OSH, vol. 3, no. 2, pp. 1–8, Feb. 2025.