Pozdniakov, Sergei, and Elena Tolkacheva. “Analysis of Changes in the Main Content Lines in Construction of an Alternative Course of Mathematics Based on Digital Resources”. Computer Tools in Education, no. 4 (December 28, 2022): 83-103. Accessed January 31, 2026. http://cte.eltech.ru/ojs/index.php/kio/article/view/1779.