KOLIESNIKOV, D. V. Creating effective models of vertical integrated structures in Ukraine. Science and Transport Progress , [S. l.], n. 37, p. 277–284, 2011. DOI: 10.15802/stp2011/9474. Disponível em: https://stp.ust.edu.ua/article/view/9474. Acesso em: 17 jul. 2024.