Analisis Kebutuhan Airflow Budget Di Level Extraction Pada Tambang Bawah Tanah Di Area Deep Mill Level Zone (Dmlz) PT. Freeport Indonesia Timika Papua: Analysis Of Airflow Budget Needs In Extraction Level Of Underground Dmlz Airflows Pt Freeport Indonesia District Tembagapura, District Mimika, Province Of Papua. PROMINE [Internet]. 2021 Sep. 22 [cited 2026 Jul. 25];9(1):6-12. Available from: https://journal.ubb.ac.id/index.php/promine/article/view/2272