TY - BOOK AU - AU - TI - Laporan PPM R023/2020: A Feasibility Study Using Ammonium Sulfate And Oxalic Acid To Produce Rare Earth Oxalate From Local Bauxite, December 2020 PY - 2020/// CY - Perak PB - Pusat Penyelidikan Mineral, Jabatan Mineral Dan Geosains Malaysia ER -