Canals, J., Mitjavila, M. ., Domènech-llaberia, E. ., Claustre Jané, M. ., Corbella, T. . and Ballespí, S. . (2008): “Teacher reports of peer aggression in preschool: its relationship to DSM-IV externalizing symptoms”, The Spanish Journal of Psychology, 11(2), pp. 433–442. Available at: https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0808220433A (Accessed: 25 April 2024).