Maistrenko, O. V., R. V. Bubenshchykov, and O. V. Karha. “The Theory of Mass Service As a Means of Improving the Decision-Making Model”. Military Technical Collection, no. 20 (May 28, 2019): 14–19. Accessed March 9, 2022. http://vtz.asv.gov.ua/article/view/168373.