E. , Svetlana, and Polina V. Sazonova. “SOCIAL ACTIVITY OF THE SUBJECTIVE MIDDLE CLASS OF THE RUSSIAN REGION: RESULTS OF QUALITATIVE SOCIOLOGICAL RESEARCH”. International Journal of Psychosocial Rehabilitation, vol. 24, no. 8, Oct. 2020, pp. 6837-44, https://doi.org/10.61841/rpvp9p11.