Кизим, Н. А., Т. С. Клебанова, И. С. Светуньков, and С. Г. Светуньков. “Diagnostics of Social and Economic Development of Regions With Complex Economic Model”. Modern Economics: Problems and Solutions, Vol. 1, Apr. 2015, pp. 151-9, https://journals.vsu.ru/meps/article/view/5038.