Тулупьева, Т. В., А. В. Суворова, А. А. Азаров, А. Л. Тулупьев, and Н. В. Бордовская. “Сomputer Tools in the Analysis of students’ Digital Footprints in Social Network: Possibilities and Primary Results”. Computer Tools in Education, no. 5, July 2017, pp. 3-13, http://cte.eltech.ru/ojs/index.php/kio/article/view/1451.