Irawan J, Irvani I, Oktarianty H. Kajian Teknis Geometri Peledakan dan Powder Factor Terhadap Fragmentasi di PT Semen Padang Indarung. mineral [Internet]. 1Apr.2020 [cited 14May2024];5(1):1-. Available from: https://journal.ubb.ac.id/mineral/article/view/3052