Alcaraz, Victor M., Regina Martínez Casas, Antonia Padilla, and Lucía Puga. “OPERANT, RESPONDENT, AND UNCONDITIONED REFLEX RESPONSES IN LANGUAGE ACQUISITION”. Mexican Journal of Behavior Analysis 1, no. 2 (August 31, 2011): 239–269. Accessed July 4, 2024. https://journals.unam.mx/index.php/rmac/article/view/27106.