САНЬКО, Я. В. MATHEMATICAL MODEL OF COST OF THE TRANSPORTATION SYSTEM OF PASSENGERS AND CARGO. Municipal economy of cities, [S. l.], n. 103, p. 425–428, 2013. Disponível em: https://khg.kname.edu.ua/index.php/khg/article/view/500. Acesso em: 8 aug. 2022.