Revitalization of Greater Khartoum Urban Transportation System. Future Cities and Environment, [S. l.], v. 4, p. 15, 2018. DOI: 10.5334/fce.2. Disponível em: https://cspub-fce-submission.org/index.php/fce/article/view/133. Acesso em: 28 oct. 2025.