Kurmanov, N., D. Dametken Turekulova, G. Doskeyeva, and G. Alina. “A Research on Innovation in Small and Medium-Sized Enterprises: The Case of Kazakhstan”. International Journal of Economics and Financial Issues, vol. 6, no. 3, July 2016, pp. 907-10, https://www.econjournals.com/index.php/ijefi/article/view/2236.