Benediktovna Tsarkova, Vera, Lyudmila Nikolaevna Belenikina, y Tatyana Yuryevna Vasilyeva. «The Problem of Developing Schoolchildren’s Cognitive Activities in the Educational Process». Propósitos y Representaciones 8, no. SPE2 (agosto 11, 2020): e639. Accedido mayo 4, 2024. https://revistas.usil.edu.pe/index.php/pyr/article/view/639.