Nafiu, W. R. A. and Mili, M. Z. (2026) “TRANSFORMASI PENDEKATAN VALUASI MINERAL DALAM FORMULA HARGA PATOKAN MINERAL (HPM) INDONESIA : THE TRANSFORMATION OF MINERAL VALUATION APPROACHES IN INDONESIA’S MINERAL BENCHMARK PRICE (HPM) FORMULA”, JURNAL TEKNIK PERTAMBANGAN, 26(2), pp. 91–97. doi: 10.36873/jtp.v26i2.27055.