Kajian Teknis Sistem Penerisan Tambang Di Front 2 TB 2.2 Tempilang Bangka Mitra PT Timah (Persero) Tbk: The Technical Study of Mine Drainage System In Front 2 TB 2.2 Tempilang Large Mine of West Bangka PT Timah (Persero) Tbk’S Partner. mineral [Internet]. 2020 Feb. 1 [cited 2026 Jun. 17];1(1):9-16. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/1603