A. F. Martynov and D. V. Gudov, “STATE ESTIMATION OF THE INFRASTRUCTURE SECURITY OF MIDDLE AND SMALL BUSINESS”, Среднерусский вестник общественных наук, vol. 1, no. 3, pp. 229–233, Mar. 2013, Accessed: Nov. 08, 2026. [Online]. Available: https://sredneruss-vestnik.owebs.ru/article/view/28992