G. Drobaha, I. Lipatov, V. Batsamut, S. Horielyshev, I. Tovma. “Substantiation of a Method of Assessing and Forecasting of Socio-Political Situation Complexity Level”. International Journal of Advanced Science and Technology, Vol. 29, no. 5s, June 2020, pp. 10867-78, http://sersc.org/journals/index.php/IJAST/article/view/25096.