SUSILO, Yusak O. et al. Findings from measuring door-to-door travellers’ travel satisfaction with traditional and smartphone app survey methods in eight European cities. European Journal of Transport and Infrastructure Research, [S. l.], v. 17, n. 3, 2017. DOI: 10.18757/ejtir.2017.17.3.3203. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/3203. Acesso em: 26 may. 2024.