BENGOCHEA MORANCHO, A.; DEL SAZ SALAZAR, S. Valuing a Road Network Improvement using Stated Preferences Methods. European Journal of Transport and Infrastructure Research, [S. l.], v. 3, n. 3, 2003. DOI: 10.18757/ejtir.2003.3.3.4241. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/4241. Acesso em: 12 aug. 2022.