de la Cantera Pérez, A. de J., Zaldívar Vega, E. ., & Cordero Martínez, G. . (2021). Designing and programming a linguodidactic electronic trainer for distance teaching of Russian language . Journal Reference Pedagogical, 9(3), 404–417 p. Retrieved from https://rrp.cujae.edu.cu/index.php/rrp/article/view/263