Asadullina, G., N. Korovkina, E. Sadretdinova, R. Badretdinovich, and N. Hajrullina. “Social Character: Issues of Methodology and Research Methods”. Amazonia Investiga, Vol. 9, no. 26, Feb. 2020, pp. 545-53, doi:10.34069/AI/2020.26.02.61.