“Kajian Teknis Metode Backfilling Dengan Cara Mekanis Pada Penambangan Timah Alluvial Di TS 1.44 Mapur Kecamatan Riau Silip Kabupaten Bangka Induk PT Timah (Persero) Tbk: Technical Study Backfilling Method By Mechanical Means On Alluvial Tin Mining In TS 1.44 Mapur, Riau Silip Village, Bangka Induk District, PT Timah (Persero) Tbk”. MINERAL 1, no. 1 (February 2, 2020): 26–34. Accessed April 18, 2026. https://journal.ubb.ac.id/index.php/mineral/article/view/1606.