R. Akyulov and K. Alferyev, “ON THE RELATIONSHIP OF INVESTMENT ACTIVITY AND DEBT SECURITIES OF THE RUSSIAN REGIONS”, Management Issues, vol. 44, no. 1, pp. 90–95, Jan. 2017, Accessed: Nov. 08, 2026. [Online]. Available: https://voprosy-upravleniya.owebs.ru/article/view/24428