Sirwutubun YB, Triyanto B, Horman JR. EVALUATION OF THE IMPACT OF BLASTING ACTIVITIES VERTICAL BENCHING OF GROUND SUPPORT PT. FREEPORT INDONESIA: EVALUASI DAMPAK KEGIATAN PELEDAKAN VERTICAL BENCHING TERHADAP GROUND SUPPORT PT. FREEPORT INDONESIA. JISTECH [Internet]. 2023Jan.22 [cited 2024Apr.25];6(1). Available from: https://jurnal.unipa.ac.id/index.php/istech/article/view/150