1. 1. Zhulkevska, V.O. (2004). Distance learning: the historical aspect of foreign experience. Visnyk Lvivskoho universytetu – Journal of Lviv University, 18, 81-88 [in Ukrainian]
2. 2. Vashhuk, F.G. (Ed.). (2011). Integration into the European educational space: achievements, problems, perspectives: monograph. Uzhgorod: ZakDU [in Ukrainian]
3. 3. Astakhova, V. (2011). Some questions of theory and practice of continuing education. Gumanitarnye nauki – Humanitarian sciences, 3, 86-92 [in Russian]
4. 4. Astakhova, K. (2010). University lecturer in the transition society to an innovative economy: the vectors of change. Vishcha shkola – Tertiary school, 2, 41-47 [in Ukrainian]
5. 5. Bakirov, V. (2009). Modern higher education as a subject of sociological reflection. Visnyk Kharkivskoho natsionalnoho universytetu imeni V.N. Karazina. Seriia: Sotsiolohiia v situatsii sotsialnykh nevyznachenostei – Bulletin of the V.N. Karazin Kharkiv National University. Series: Sociology in situations of social ambiguities, 881, 31-36 [in Ukrainian]