Sembiring YPJ, Paays A, B WS, Fridtriyanda A. Sistem Penyaliran Tambang Pit 19d Untuk Yearly Plan 2012 PT. Indominco Mandiri Bontang Kalimantan Timur. Prosiding Seminar Nasional ReTII [Internet]. 2018Nov.26 [cited 2024Dec.5];. Available from: //journal.itny.ac.id/index.php/ReTII/article/view/1094