NIJKAMP, Peter; RIENSTRA, Sytze A. The pivotal role of the private sector in achieving transport policy objectives. European Spatial Research and Policy, [S. l.], v. 5, n. 2, p. 5–21, 1998. DOI: 10.18778/1231-1952.5.2.01. Disponível em: https://czasopisma.uni.lodz.pl/esrap/article/view/24846. Acesso em: 4 mar. 2025.