“RANCANGAN DESAIN DISPOSAL IN PIT DENGAN METODE BACKFILLING DAN MENGHITUNG VOLUME MATERIAL TIMBUNAN MENGGUNAKAN SOFTWARE MINESCAPE 5.7”. 2022. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 6 (December): 149-51. https://journal.ubb.ac.id/index.php/snppm/article/view/3772.