Sozinova, Anastasiya A., et al. “Formation of the New Forms of Management Systems Spatially Localized Economies in the Paradigm of the Cluster Approach”. International Review of Management and Marketing, vol. 6, no. 1S, Feb. 2016, pp. 250-4, https://mail.econjournals.com/index.php/irmm/article/view/1911.