Leonidovna Sokolov, Nataliaa, y Marina Georgiyevna Sergeeva. «Training As a Means of Developing Students’ Motivation». Propósitos y Representaciones 9, no. SPE1 (enero 20, 2021): e1368. Accedido abril 28, 2024. https://revistas.usil.edu.pe/index.php/pyr/article/view/1368.