VILDANOVA, S. M., GRANICHNAYA, A. A., MINGALIEVA, A. R., & SALYAKHIEVA, L. M. (2017). A tendency towards childfree lifestyle in Russia and its influence on the crisis of the institution of family. Monitoring of Public Opinion: Economic and Social Changes, (3), 192. https://doi.org/10.14515/monitoring.2017.3.13