RIETVELD, P.; STOUGH, R. Institutions, regulations and sustainable transport, a review. European Journal of Transport and Infrastructure Research, [S. l.], v. 6, n. 1, 2006. DOI: 10.18757/ejtir.2006.6.1.4325. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/4325. Acesso em: 19 aug. 2022.