Kalisz, Dorota, K. Kuglin, and Anna Młynarczykowska. “Particle Size Grouping Method As a Control System of Efficiency Flotation Process on the Example of Coal”. Journal of Mining and Metallurgy, Section B: Metallurgy 57, no. 1 (January 19, 2021): 1-12. Accessed May 6, 2024. https://aseestant.ceon.rs/index.php/jmm/article/view/25741.