Flores Montañez, Nidia, and Carlos Santoyo Velasco. “Stability and Change of Social Relations Between Children: Analysis of Functional Mechanism”. Mexican Journal of Behavior Analysis 35, no. 1 (October 19, 2009): 59–74. Accessed May 18, 2024. https://revistas.unam.mx/index.php/rmac/article/view/398.