Oktaviani, H., Lestari, I. A. I. D., Hardianti, D. N., Sultan, M., & Wardani, R. (2026). Hubungan Antara Penerapan Program Pelatihan K3, Pengawasan K3, dan Komunikasi K3 dengan Produktivitas Pekerja Pada Mining Operation Division PT. Kaltim Prima Coal : The Relationship Between Occupational Health and Safety (OHS) Training, Supervision, and Communication and Workers’ Productivity in the Mining Operation Division of PT Kaltim Prima Coal. Jurnal Kesmas Untika Luwuk : Public Health Journal, 17(1), 70–80. https://doi.org/10.51888/phj.v7i1.465