Marotta, Luana, et al. “Equivalence of Testing Instruments in Canada: Studying Item Bias in a Cross-Cultural Assessment for Preschoolers”. Canadian Journal of Education Revue Canadienne De l’éducation, vol. 38, no. 3, Aug. 2015, pp. 1-23, https://journals.sfu.ca/cje/index.php/cje-rce/article/view/1424.