Calculating the Transport Density Index from Some of the Productivity Indicators for Railway Lines by Using Neural Networks. Journal of Engineering, [S. l.], v. 22, n. 9, p. 1–19, 2016. DOI: 10.31026/j.eng.2016.09.14. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/150.. Acesso em: 3 may. 2024.