Sulastyo, Mahatir Eko, and Jance Murdjani Supit. “SHOTCRETE DELIVERY PROCESS AT DEEP MILL LEVEL ZONE UNDERGROUND MINING PT. FREEPORT INDONESIA: SHOTCRETE DELIVERY PROCESS DI TAMBANG BAWAH TANAH DEEP MILL LEVEL ZONE PT. FREEPORT INDONESIA”. INTAN Jurnal Penelitian Tambang 3, no. 1 (March 14, 2022): 79–89. Accessed April 17, 2026. https://jurnal-intan.ac.id/index.php/intan/article/view/58.