Ivan Tekutyev Conceptual Approach to Assessing the Economic Efficiency of Diversification of Entrepreneurial Activity // Russian Journal of Entrepreneurship. — 2010. — № 7-2 (163). — p. 68-72. — URL: http://bgscience.ru/com/lib/2349
Konstantin Lapko, Vladimir Konovalov, Yuriy Efimychev Evaluation of the quality of training in the budget institution based on the indicators of investment analysis // Creative Economy. — 2010. — № 4 (40). — p. 72-79. — URL: http://bgscience.ru/com/lib/271