Karpenko, O., A. Horbenko, Y. Vovk, and O. Tson. “Research of the Structure and Trends in the Development of the Logistics Market in Ukraine”. Journal of Sustainable Development of Transport and Logistics, vol. 2, no. 2, Dec. 2017, pp. 57-66, doi:10.14254/jsdtl.2017.2-2.5.