“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, vol. 6, no. 1, Jan. 2023, Accessed: Jun. 21, 2026. [Online]. Available: https://jistechunipa.com/index.php/istech/article/view/150