GARCÍA, A.; BENJUMEA, S. Contextual control of conditional discrimination of the own behavior in pigeons. International Journal of Psychological Research, [S. l.], v. 1, n. 1, p. 13–19, 2008. DOI: 10.21500/20112084.960. Disponível em: https://revistas.usb.edu.co/index.php/IJPR/article/view/960. Acesso em: 28 jan. 2023.