Козырева, Дарья Дмитриевна, and Наталья Борисовна Ампилова. “Mathematical Models in Sociology and Their Investigative Techniques”. Computer Tools in Education0, no. 5 (June 4, 2017): 5-16. Accessed May 5, 2024. http://cte.eltech.ru/ojs/index.php/kio/article/view/1409.