OSCOS ALVARADO, A.; TODOROV, J. C. On frequency and magnitude of reinforcement in concurrent schedules. Mexican Journal of Behavior Analysis, [S. l.], v. 4, n. 2, 2011. DOI: 10.5514/rmac.v4.i2.23675. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/23675. Acesso em: 20 may. 2024.