1. The Civic Culture: Political Attitudes and Democracy in Five Nations;Almond,1963
2. Democratic Schools;Apple,1995
3. Foreign Students in Russian Higher Education Institutions [Иностранные студенты в российских вузах];Arafiev,2014
4. Shanghai Rankings 2016;ARWU,2016
5. Asia-Plus (2012). Over 1000 seats allocated for Tajik students at Russian universities | Tajikistan News ASIA-Plus. Media Group Asia-Plus. Retrieved from https://news.tj/en/news/tajikistan/society/20120109/over-1000-seats-allocated-tajik-students-russian-universities.