Ustin, P. N., L. M. Popov, R. N. Khakimzyanov, and G. Z. Vakhitov. “Predicting of a person’s Life Activity through Quantitative Indicators of Her Personal Profile in Social Networks (on the Example of Predicting the Academic Success of Students)”. Journal of Human Sport and Exercise, vol. 16, no. 2proc, Mar. 2021, pp. S377-S386, https://www.jhse.ua.es/article/view/2021-v16-n2-proc-predicting-persons-life-activity-quantitative-i.