CAMPOS-RIVERA, R. S.; DOS SANTOS, C. V. Delay discounting in pigeons using a token reinforcement system. Mexican Journal of Behavior Analysis, [S. l.], v. 48, n. 1, 2022. DOI: 10.5514/rmac.v48.i1.82750. Disponível em: https://www.revistas.unam.mx/index.php/rmac/article/view/82750. Acesso em: 20 apr. 2024.