ROMANKO, V. I.; ROMANKO, O. V.; STEPANENKO, V. M. Work efficiency of the Ukrzaliznytsya signalization and connection sector. Science and Transport Progress , [S. l.], n. 35, p. 278–280, 2010. DOI: 10.15802/stp2010/8900. Disponível em: https://stp.ust.edu.ua/article/view/8900. Acesso em: 4 may. 2024.