Perencanaan Tahapan Persiapan Dan Perhitungan Reklamasi Di Lahan Bekas Tambang Air Rikai PT Timah Tbk Kabupaten Bangka: Planning for Preparatory Stages and Reclamation Calculations on the Former Air Rikai Mine Land of PT Timah Tbk, Bangka Regency. (2024). MINERAL, 9(1), 25-32. https://doi.org/10.33019/mineral.v9i1.5140