Nefyodova, Y. I., M. S. Mnatsakanyan, and Kuzmina О. V. “Estimation of Service of Logistic Mediator”. Reporter of the Priazovskyi State Technical University. Section: Technical Sciences, no. 24, Dec. 2013, pp. 303-9, doi:10.31498/2225-6733.24.2012.19830.