1. Adams Becker, S., Rodriguez, J. C., Estrada, V., & Davis, A. (2016). Innovating language education: an NMC Horizon project strategic brief (Volume 3.1). The New Media Consortium. http://cdn.nmc.org/media/2016-nmc-strategic-brief-language_ed.pdf
2. American Academy of Arts & Sciences. (2017). America’s languages: investing in language education for the 21st Century. https://www.amacad.org/content/Research/researchproject.aspx?d=21896
3. American Councils for International Education. (2017). The National K–12 foreign language enrollment survey, 2017. American Councils for International Education, American Council for the Teaching of Foreign Languages, & Center for Applied Linguistics.
4. From Principles to Practice in Education for Intercultural Citizenship
5. Theoretical bases of communicative approaches to second language teaching and testing;Canale;Applied Linguistics,1980