Rudenko, A. A., M. O. Iskoskov, D. V. Antipov, T. V. Polyakova, and S. O. Zaharov. “Peculiarities of Enterprises Functioning Under Conditions of Cyclicality of the Economy”. International Journal of Economics and Financial Issues, vol. 6, no. 2S, June 2016, pp. 219-24, https://econjournals.com/index.php/ijefi/article/view/2555.