RIBES, E.; LÓPEZ VALADÉZ, F. The acquisition of concurrent operants Ander a temporally-defined signaled schedule of reinforcement. Mexican Journal of Behavior Analysis, [S. l.], v. 5, n. 1, 2011. DOI: 10.5514/rmac.v5.i1.23664. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/23664. Acesso em: 8 may. 2024.