Mollaeva N.G. The state of the infrastructure of consumer services of the population in the Republic of Dagestan // Russian Journal of Entrepreneurship. — 2019. — Vol. 20. — № 1. — p. 299-312. — doi: 10.18334/rp.20.1.39736
Shklyar T.L., Zilbershteyn O. B., Kotov V. V. Factor analysis of the total revenue from the sale of enterprises and organizations of the industry "Activities in the field of sports" // Creative Economy. — 2019. — Vol. 13. — № 5. — p. 1051-1062. — doi: 10.18334/rp.20.5.40577
Zilbershteyn O.B., Kotov V.V., Shklyar T.L. Forecast revenue from sales in the field of physical culture and recreation activities // Russian Journal of Entrepreneurship. — 2019. — Vol. 20. — № 4. — p. 955-974. — doi: 10.18334/rp.20.4.40576