Kаmаldinovа M.R., N. Rakhymzhan, Nаzһipkуzу M., and Z.A. Mansurov. 2019. “Production of Superhydrophobic Sand for Separation of Water-Oil Mixtures”. Combustion and Plasma Chemistry 18 (4):211-17. https://doi.org/10.18321/cpc403.