“Analisis Rock Quality Designation (RQD) Pada Hole DZ30-NH1F-08 DAN DZ30-NH1F-10 Area Tambang Bawah Tanah (DMLZ) PT. Freeport Indonesia”, Jurnal Elektronik, vol. 5, no. 1, pp. 46–50, Jun. 2024, doi: 10.55334/jtam.v5i1.221.