Maleki H, Noparast M, Chehreghani S, Mirmohammadi MS and Rezaei A, “Optimization of Flotation of the Qaleh Zari Mine Oxidized Copper Ore Sample by the Sequential Sulfidation Approach Using the Response Surface Method Technique” (2023) 38 Rudarsko-geološko-naftni zbornik accessed May 1, 2024