Mansimova, I. and Alakbarov, I. 2020. Seasonal changes of free-living ciliate communities in different biotopes of the Agzibir Lake. The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 34, 34 (Jul. 2020), 99-111. DOI:https://doi.org/10.26565/2075-5457-2020-34-11.