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“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: May 07, 2026. [Online]. Available: https://www.jistechunipa.com/index.php/istech/article/view/150