Improving the quality of the urban environment effectively Sustainable Transport in Najaf / (Najaf - Kufa axis). Journal Port Science Research, [S. l.], v. 7, n. issue, p. 275–289, 2024. DOI: 10.36371/port.2024.special.23. Disponível em: https://jpsr.uruk.edu.iq/index.php/jport/article/view/227. Acesso em: 23 may. 2026.