Кryvoruchko, Oksana, Vladimir Shynkarenko, and Nadezhda Popova. “Quality Management of Transport Services: Concept, System Approach, Models of Implementation”. International Journal of Engineering & Technology 7, no. 4.3 (September 15, 2018): 472–476. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/19919.