Анатольевна Болдова, Татьяна, and Людмила Васильевна Трегубова. “Transformation of the Russian As a Foreign Language Learning Process in a Modular Environment”. In Didactics of the Russian Language and the Problems of Translation for a Foreign Audience, edited by Ełona Curkan-Dróżka, 9–14. Poland: Lodz University Press, 2020. Accessed January 26, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1341/chapter/4086.