Bolshakova, Yulia, and Sergey Bolshakov. 2020. “THE STUDY OF POPULATION SATISFACTION WITH THE STATE OF THE MARKETS OF PRESCHOOL EDUCATION, ADDITIONAL EDUCATION OF CHILDREN”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 3 (May): 631-43. https://doi.org/10.17770/sie2020vol3.5003.