CHEKHOVSKA, M. M. Finance-economical indexes of efficiency of development of railway transport. Science and Transport Progress , [S. l.], n. 42, p. 325–327, 2012. DOI: 10.15802/stp2012/9427. Disponível em: https://stp.ust.edu.ua/article/view/9427. Acesso em: 6 may. 2024.