UBBELS, Barry; NIJKAMP, Peter; VERHOEF, Erik; POTTER, Steve; ENOCH, Marcus. Alternative Ways of Funding Public Transport: A Case Study Assessment. European Journal of Transport and Infrastructure Research, [S. l.], v. 1, n. 1, p. 73–89, 2001. DOI: 10.18757/ejtir.2001.1.1.2629. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/2629. Acesso em: 28 nov. 2024.