Nahornyi, Ye. V., A. M. Okrokov, and H. I. Peresta. “The Investigation of the Transport System for Fright Owners Servicing in the Traffic Centres”. Science and Transport Progress , no. 38 (September 25, 2011): 58–62. Accessed July 3, 2022. http://stp.diit.edu.ua/article/view/6807.