RIBES, E.; TORRES, C. Effects of varying the probability of reinforcement correlated with two neutral stimuli in a temporally defined schedule. Mexican Journal of Behavior Analysis, [S. l.], v. 22, n. 1, p. 41–78, 2011. DOI: 10.5514/rmac.v22.i1.23492. Disponível em: https://journals.unam.mx/index.php/rmac/article/view/23492. Acesso em: 4 jul. 2024.