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Muchtar Arifin; Taufan Fachsa; Amran Mulyadi; Sepriadi , S. . . IDENTIFIKASI POTENSI BAHAYA K3 DAN PENGENDALIAN RISIKO PADA KEGIATAN PEMBORAN DI BALAI DIKLAT TAMBANG BAWAH TANAH SAWAHLUNTO IDENTIFICATION OF POTENTIAL OHS HAZARDS AND RISK CONTROL IN DRILLING ACTIVITES IN THE SAWALUNTO UNDERGROUND MINING AND TRAINING CE. JCI 2024, 3, 2395-2406.