Perencanaan Sistem Pemompaan pada Penambangan Timah Primer Shaft Lacat 4 Pt Menara Cipta Mulia Kelapa Kampit Belitung Timur: (Planning of Pumping System in Shaft Lacat 4 Primary Tin Mining at PT Menara Cipta Mulia Kelapa Kampit Belitung Timur. mineral [Internet]. 2021 Apr. 1 [cited 2026 Apr. 20];6(1):6-12. Available from: https://www.journal.ubb.ac.id/index.php/mineral/article/view/3079