Surzhikov V.I., Kachkina D.V. Current status and problems of children's recreation development in Russia // Journal of Economics, Entrepreneurship and Law. — 2019. — Vol. 9. — № 4. — p. 737-746. — doi: 10.18334/epp.9.4.41488
Dmitriy Volkov Problems of Family Business at Various Stages of Its Life Cycle // Russian Journal of Entrepreneurship. — 2011. — № 4-1 (181). — p. 59-64. — URL: http://bgscience.ru/com/lib/2789