ANALISIS PENGARUH KEDALAMAN LUBANG LEDAK, BURDEN DAN SPACING TERHADAP PEROLEHAN FRAGMENTASI BATUGAMPING. Geomine [Internet]. 2015 Dec. 31 [cited 2025 Jun. 27];3(01):184-8. Available from: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/1342