10 1 20 Deddy T. Sutisna Primary Author Djoko Santoso Tata Henda Primary Author R Gunradi Primary Author mixed material Jakarta Seksi Logam Mulia Sub 1990 2019070184.jpg.jpg PT Barito Amin Sakti Marpaung, B. Additional Author Davey, G. Additional Author Rafferty, W.J Additional Author Santoso, I. Additional Author Hayston, P. Additional Author mixed material Jakarta PT Barito Amin Sakti 1989 2018100315.jpg.jpg Budi Santoso Primary Author mixed material 2012 Santoso Primary Author mixed material Direkrat Jenderal Geologi dan Sumberdaya Mineral 1993 jurusan geologi-institut teknologi bandung Djoko Santoso Primary Author Sugiarta Gandia Primary Author mixed material 01263498 Bandung Jurusan Geologi ITB 1989 Bandono Primary Author Djoko Santoso Primary Author Bambang Priadi Primary Author mixed material Bandung Institut Teknologi Bandung 1986 Santoso Primary Author mixed material Jakarta Antam 1980 Harapan Marpaung Primary Author Alanda Idral Additional Author Moch. Solaviah Additional Author Imanuel M.F. Additional Author Adri Santoso Additional Author mixed material Bandung Proyek Ekplorasi Bahan Galian Logam, Industri, dan Batubara - Direktorat Sumberdaya Mineral-Direktor 1995 Deddy T. Sutisna Primary Author Djoko Santoso Tata Henda Additional Author R Gunradi Additional Author mixed material Jakarta Seksi Logam Mulia Subdirektorat Eksplorasi Mineral Logam Direktorat SumberDaya Mineral 1990 SPK No.BidI/033/33-I/1988 Kamagi, W.A. Primary Author Ginting, A.R. Primary Author Santoso, Lukito T. Primary Author mixed material Jakarta 1988 Compressed_C-2018091128.jpg.jpg