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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: Journal of Information Science and Technology 6, no. 1 (January 22, 2023). Accessed May 7, 2026. https://www.jistechunipa.com/index.php/istech/article/view/150.