Representations on Bullying in school children aged 9, 11 and 13 Years High and Low socioeconomic status of the city of Barranquilla (Colombia). Psicología desde el Caribe. Published online May 15, 2011:150-172. Accessed October 23, 2026. https://rcientificas.uninorte.edu.co/psicologia/article/view/1783