Mindlin, Yurii B., Marina V. Melnichuk, Yulia S. Lisichkina, Natalia B. Golovanova, and Svetlana F. Litvinova. 2016. “The Formation of Cluster Systems of Education in the Russian Federation”. International Review of Management and Marketing 6 (6S):247-52. https://econjournals.com/index.php/irmm/article/view/2968.