[1]
Y. R. Khayrullina, “Middle class in the Republic of Tatarstan: Analysis of the results of sociological research”, RSAN, vol. 1, no. 25, Dec. 2018, Accessed: Feb. 07, 2026. [Online]. Available: http://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/756