Elena S. Petrenko, Zakir Z. Bekturganov, Oleg I. Metsik The alternatives of management strategy changes based on the operational evaluation of the crisis state of Kazakhstan business // Russian Journal of Entrepreneurship. — 2016. — Vol. 17. — № 15. — p. 1783–1794. — doi: 10.18334/rp.17.15.36218
