Evaluasi Efektivitas Penggunaan Hirarc (Hazard Identification, Risk Assessment, And Risk Control Dalam Mengurangi Kecelakaan Kerja Pada Bagian Prosuksi Di Pt. Pertamina Rokan Hulu, Duri, Riau Tahun 2023. Oshada , [S. l.], v. 1, n. 2, p. 35–40, 2024. DOI: 10.62872/ndkp4c39. Disponível em: https://nawalaeducation.com/index.php/O/article/view/221. Acesso em: 31 may. 2025.