Emenogu, Barnabas, and Ruth Childs. 2005. “Curriculum, Translation, and Differential Functioning of Measurement and Geometry Items”. Canadian Journal of Education Revue Canadienne De l’éducation 28 (1 & 2):128–-146. https://cje.journals.publicknowledgeproject.org/index.php/cje-rce/article/view/2850.