VAN EXEL, N.; DE GRAAF, G. .; RIETVELD, P. Getting from A to B: Operant Approaches to Travel Decision Making. Operant Subjectivity, [S. l.], v. 27, n. 4, 2004. Disponível em: https://ojs.library.okstate.edu/osu/index.php/osub/article/view/8881. Acesso em: 3 jul. 2024.