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. mineral [Internet]. 2020 Jan. 31 [cited 2026 Apr. 14];3(1):83-102. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/1580