For citations:
Bolbakov R.G., Tsvetkov V.Y. Assessment of the quality of educational portals. Open Education. 2017;(3):22-28. (In Russ.) https://doi.org/10.21686/1818-4243-2017-3-22-28
Bolbakov R.G., Tsvetkov V.Y. Assessment of the quality of educational portals. Open Education. 2017;(3):22-28. (In Russ.) https://doi.org/10.21686/1818-4243-2017-3-22-28