Ljiljana Tankosic et al. 2021. Study of the Mineral Composition and Its Connection with Some Properties Important for the Sludge Flocculation Process-Examples from Omarska Mine: A Comparative Approach. Current Approaches in Science and Technology Research Vol. 9. (Jun. 2021), 48–80. DOI:https://doi.org/10.9734/bpi/castr/v9/10571D.