ПетренкоI. П., Седьма, Є. В., & Черкашина, Ж. В. (2016). Е-teaching the Russian Language to Foreign Students: Courses, Programs and Textbooks. Teaching Languages at Higher Educational Establishments at the Present Stage. Intersubject Relations, (27), 83–91. Retrieved from https://periodicals.karazin.ua/language_teaching/article/view/5463