Monks, Claire P. ORCID: https://orcid.org/0000-0003-2638-181X, Palermiti, Annalisa, Ortega, Rosario and Costabile, Angela (2011) A cross-national comparison of aggressors, victims and defenders in preschools in England, Spain and Italy. The Spanish Journal of Psychology, 14 (1). pp. 133-144. ISSN 1138-7416 (Print), 1988-2904 (Online) (doi:10.5209/rev_SJOP.2011.v14.n1.11)