“Response Surface Optimization of Fluidized Roasting Reduction of Low-Grade Pyrolusite Coupling With Pretreatment of Stone Coal”. Journal of Mining and Metallurgy, Section B: Metallurgy 49, no. 1 (June 10, 2013): 33. Accessed June 11, 2026. https://test.aseestant.ceon.rs/index.php/jmm/article/view/2042.