L. G. Titarenko, “Fragmentation of sociological market in Russia: thoughts and conclusions”, Журнал Белорусского государственного университета. Социология, no. 2, pp. 32–40, Mar. 2019, Accessed: Jul. 18, 2026. [Online]. Available: https://journals.bsu.by/index.php/sociology/article/view/1624