Laporan PPM R002/2015: Progress Report Of Pilot Plant Of Passive Treatment System For Ex-Mamut Copper Mine, October 2014 Dr. Shamsul Kamal Bin Sulaiman - Ipoh, Perak Pusat Penyelidikan Mineral, Jabatan Mineral Dan Geosains Malaysia 2015 - 17 p. ill, col, photo, table 29 cm