Karimov, I., K. Boykuzi, and A. Madaliyev. “Volume-Surface Diameters of Drops in Barbotaj Extractor”. International Journal of Innovative Analyses and Emerging Technology, vol. 1, no. 5, Oct. 2021, pp. 94-99, https://openaccessjournals.eu/index.php/ijiaet/article/view/382.