RIBES, E. Causality and Contingency. Mexican Journal of Behavior Analysis, [S. l.], v. 21, n. 3, p. 123–142, 2011. DOI: 10.5514/rmac.v21.i1.ESP.25420. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/25420. Acesso em: 2 may. 2024.