“Perhitungan Sumberdaya Batu Granit Pada Quarry PT Mandiri Karya Makmur Dengan Metode Cross Section Dan Metode Cut And Fill: Calculation of Granit Stone Resource In Quarry PT Mandiri Karya Makmur With Cross Section And Cut And Fill Method”. 2020. MINERAL 3 (1): 83-102. https://doi.org/10.33019/mineral.v3i1.1580.