Morales-Ramírez, María Ester, and Margarita Villalobos-Cordero , translators. “The Impact of Bullying in the Integral Development and Learning from the Perspective of Children in Preschool and School”. Revista Electrónica Educare, vol. 21, no. 3, Aug. 2017, pp. 1-20, https://doi.org/10.15359/ree.21-3.2.