Sekovanov, Valeriy, Vladimir Anatolyevich Ivkov, Evgeniy Valentinovich Vinogradov, Larisa Borisovna Rybina, & Roman Alexandrovich Shchepin. " Performing a Multi-Stage Mathematical and Informational Task." Modern Information Technologies and IT-Education [Online], 20.4 (2024): n. pag. Web. 10 Oct. 2025