Garcia, Andres, Fatima Pérez González, Rocío Martín Vera, Mayte Gutiérrez Domínguez, Jesús Gómez Bujedo, Vicente Pérez Fernández, and Santiago Benjumea Rodriguez. “Effect of Age and Type of Reinforcer in the Equivalence – Equivalence by a Partition Procedure”. International Journal of Psychological Research 4, no. 1 (June 30, 2011): 7–15. Accessed May 29, 2022. https://revistas.usb.edu.co/index.php/IJPR/article/view/788.