1. Barrot, J. S., & Agdeppa, J. Y. (2021). Complexity, accuracy, and fluency as indices of college-level L2 writers’ proficiency. Assessing Writing, 47, 1–11. https://doi.org/10.1016/j.asw.2020.100510
2. Berthele, R., & Udry, I. (Eds.). (2021). Individual differences in early instructed language learning. The role of language aptitude, cognition, and motivation. Language Science Press. http://langsci-press.org/catalog/book/313
3. Bialystok, E., & Hakuta, K. (1994). In other words: The science and psychology of second language acquisition. Basic Books.
4. Blondin, C., Candelier, M., Edelenbos, P., Johnstone, R., Kubanek-German, A., & Taeschner, T. (1998). Foreign languages in primary and pre-school education: Context and outcomes. A review of recent research within the European Union. CILT.
5. Bornstein, M. H., & Bradley, R. H. (Eds.). (2003). Socioeconomic status, parenting, and child development. Lawrence Erlbaum Associates.