ESCOBAR, R.; BRUNER, C. A. Effects of reinforcement frequency and extinction- component duration within a mixed schedule of reinforcement on observing responses in rats. Mexican Journal of Behavior Analysis, [S. l.], v. 28, n. 1, p. 41–66, 2011. DOI: 10.5514/rmac.v28.i1.23550. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/23550. Acesso em: 3 may. 2024.