1. Aref’yev, A.L. (2010). [Export of Russian Education: Main Indications and Trends]. Vysshee obrazovanie v Rossii = Higher Education in Russia. No. 1, pp. 125-141. (In Russ., abstract in Eng.)
2. Kapezina, T.T. (2014). [The Problems of Teaching Foreign Students in a Russian University]. Nauka. Obshestvo. Gosudarstvo [Science. Society. State]. No. 1(5), pp. 121-131. (In Russ., abstract in Eng.)
3. Ognev, D.V., Tulaeva, Ya.I. (2014). [Training of Foreign Citizens as One of the Priority Indicators of the University’s Competitiveness: The State, Problems and Development Prospects]. III Mezhdunarodnaya nauchnaya konferentsiya «Aktual’nyye voprosy ekonomicheskikh nauk» [Topical Issues of Economic Sciences. International Sci. Conf.]. Ufa, pp. 19-22. (In Russ.) Available at: https://moluch.ru/conf/econ/archive/95/5746/
4. Prudnikova, O.M. (2018). [To the Question of Teaching Mathematics to Foreign Citizens at the Preparatory Department of a Technical University]. Alleya nauki [The Alley of Science]. No. 4(20), pp. 890-894. (In Russ., abstract in Eng.) Available at: http://alleyscience.ru/domainsdata/ files/047April18.pdf
5. Dermanova, I.B. (2002). Diagnostika emotsional’no-nravstvennogo razvitiya [Diagnostics of Emotional and Moral Development]. St. Petersburg: Rech’ Publ., 174 p. (In Russ.)