1. What’s language got to do with it?: Identifying language demands in mathematics instruction for English language learners;J. M.Aguirre;Beyond good teaching: Advancing mathematics education for ELLs,2012
2. Middle- and High-School Content Area Teachers' Perceptions about Literacy Teaching and Learning
3. Casa, T. M., Firmender, J. M., Cahill, J., Cardetti, F., Choppin, J. M., Cohen, J., Cole, S., Colonnese, M. W., Copley, J., DiCicco, M., Dieckmann, J., Dori, J., Gavin, M. K., Hebert, M. A., Karp, K. S., LaBella, E., Moschkovich, J. N., Moylan, K., Olinghouse, N. G., & Zawodniak, R. (2016). Types of and purposes for elementary mathematical writing: Task force recommendations.https://mathwriting.education.uconn.edu.
4. Common Core State Standards Initiative. (2010). Common Core State Standards for Mathematics. Core Standards Initiative. http://www.corestandards.org/assets/CCSSI_Math%20Standards.pdf
5. CreswellJ. W.ClarkV. L. P. (2017). Designing and conducting mixed methods research. Sage publications.