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, [S. l.], v. 57, n. 1, p. 1–12, 2021. Disponível em: https://test.aseestant.ceon.rs/index.php/jmm/article/view/25741. Acesso em: 11 jun. 2026.