Vera A. Barinova, Vladimir A. Eremkin The improvement of control and oversight in relation to small- and middle-sized enterprises: lessons for Russia // Russian Journal of Entrepreneurship. — 2016. — Vol. 17. — № 24. — p. 3593–3602. — doi: 10.18334/rp.17.24.37206
Rudenko M.N., Subbotina Yu.D., Fedotova A.S. Corruption as a factor of the shadow economy: trends and prospects of development (on the example of Privolzhsky federal district) // Shadow Economy. — 2019. — Vol. 3. — № 1. — p. 33-47. — doi: 10.18334/tek.3.1.39950