Gold ore processing : project development and operations

Studi pengaruh pH, dosis secondary collector, tipe frother, dosis depressant terhadap recovery dan konsentrat grade tembaga dan emas pada bijih high pyrite = Study effect of ph, dose of secondary collector, type of frother, dose of depressant to recovery and concentrate grade of copper and gold for high pyrite ore

Perbedaan pengaturan peningkatan nilai tambah menurut Undang-Undang Nomor 4 tahun 2009 tentang pertambangan mineral dan batubara dan dampaknya terhadap investasi pertambangan tembaga di Indonesia : studi kasus kontrak karya PT. Freeport Indonesia company = The difference regulations of increasing added value according to the Law No. 4 of 2009 and its impact to the copper investment in Indonesia : case study contract of work of PT. Freeport Indonesia Company

Economic evaluation of mineral processing projects : a case study of copper smelting in the Philippines / Craig Emerson and Peter G. Warr

Analisa keekonomian kontrak karya PT Freeport Indonesia Company