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: https://www.journal.sipsych.org/index.php/IJP/article/view/236. Acesso em: 31 may. 2025.