AN INNOVATIVE DISTANCE LEARNING SYSTEM FOR RUSSIAN LANGUAGE: THE CASE OF GREEK AUDIENCE Статья Kalita O., Tryapelnikov A., Pavlidis G., Chondrogiannis D. 2017 8th International Conference on Information, Intelligence, Systems and Applications, IISA 2017. Institute of Electrical and Electronics Engineers Inc.. Том 2018-January. 2018. С. 1-5
INNOVATIVE APPROACHES TO ADDRESSING THE DIFFICULTIES ENCOUNTERED BY GREEK STUDENTS IN LEARNING RUSSIAN VERBS OF MOTION Статья Kalita O., Tryapelnikov A., Denisenko V. Proceedings of the European Conference on e-Learning, ECEL. Academic Conferences Limited. Том 2018-November. 2018. С. 220-225
ANALYZING THE MOBILE LEARNING SYSTEM BEHAVIOR: THE CASE OF THE RUSSIAN VERBS OF MOTION Статья Kalita O., Denisenko V., Tryapelnikov A., Nanopoulos F., Pavlidis G. Communications in Computer and Information Science. Springer Verlag. Том 744. 2017. С. 645-654