Levina, E. Y., Kruglikov, N. Y., Krasina, I. V., Mishina, Y. . V., Lugova, A. N., Railian, O. V., Ruzakova, O. V., & Shakhnina, I. Z. (2016). The Manageability of the Educational System: Characteristics and Optimization. International Review of Management and Marketing, 6(2S), 172–176. Retrieved from https://www.econjournals.com/index.php/irmm/article/view/2010