Kravchenko, V. V. “The Transition of Municipal Consulting and Diagnostic Centers to New Financial and Economic Mechanisms through the Application of the Principles of Public - Private Partnership Is a Requirement of Time”. Journal of Education, Health and Sport, vol. 7, no. 9, Sept. 2017, pp. 665-71, https://apcz.umk.pl/JEHS/article/view/5461.