Pérez-Acosta, Andrés M., Gladys S. Martínez, Karen Eliana Corredor Páez, Cristina Vargas-Irwin, and Luisa Fernanda Méndez Pardo. “Consummatory Successive Negative Contrast in Mongolian Gerbil (Meriones Unguiculatus)”. International Journal of Psychological Research 9, no. 2 (July 1, 2016): 52–60. Accessed May 26, 2022. https://revistas.usb.edu.co/index.php/IJPR/article/view/2425.