CAMACHO, I. The contingency contrast model: an explanator y alternative. Mexican Journal of Behavior Analysis, [S. l.], v. 35, p. 31–43, 2009. DOI: 10.5514/rmac.v35.i0.16194. Disponível em: https://journals.unam.mx/index.php/rmac/article/view/16194. Acesso em: 23 jul. 2024.