Pinkovetskaia, I. S. ., E. A. . Sverdlikova, and A. V. . Lebedev. “Estimating Entrepreneurial Risk in Russian Small and Medium-Sized Enterprises”. The Journal of Contemporary Issues in Business and Government, vol. 25, no. 1, Dec. 2019, pp. 30-43, https://cibgp.com/au/index.php/1323-6903/article/view/149.