FORTIN MORALES, A. M.; VAN DE VIJVER, F. J. R.; POORTINGA, Y. H. Differential Item Functioning and Educational Risk Factors in Guatemalan Reading Assessment. Revista Interamericana de Psicología/Interamerican Journal of Psychology, [S. l.], v. 47, n. 3, 2014. DOI: 10.30849/rip/ijp.v47i3.236. Disponível em: http://sip2013.sipsych.org/ojs-/index.php/IJP/article/view/236. Acesso em: 5 apr. 2026.