1. Abedi, J. (2000). Confounding of students’ performance and their language background variables. Research Report 143, UD 033 934.
2. Aiken Jr., L. R. (1972). Language factors in learning mathematics. Review of Educational Research, 42(3), 359–385.
3. Anstrom, K., DiCerbo, P., Butler, F., Katz, A., Millet, J., & Rivera, C. (2010). A review of the literature on academic English: implications for K-12 English language learners. Arlington, VA: The George Washington University Center for Equity and Excellence in Education.
4. Artelt, C., Schiefele, U., & Schneider, W. (2001). Predictors of reading literacy. European Journal of Psychology of Education, 16(3), 363–383.
5. Arzarello, F., Garuti, R., & Ricci, R. (2015). The impact of PISA studies on the Italian national assessment system. In Stacey K. & Turner R. (Eds.), Assessing mathematical literacy. The PISA experience (pp.249–260). Springer International Publishing Switzerland.