TORRES, C.; VILLAMIL, W.; CALLEROS, K. Effects of decreasing the probability and the availability of einforcement in different length temporal schedules. Mexican Journal of Behavior Analysis, [S. l.], v. 35, p. 87–100, 2009. DOI: 10.5514/rmac.v35.i0.16197. Disponível em: https://journals.unam.mx/index.php/rmac/article/view/16197. Acesso em: 3 jul. 2024.