References

Bougards, P., & Laufer, B. (2004). Vocabulary in a second language: Selection, acquisition and testing. Philadelphia, John Benjamins, B.V.

Bourkett, T. (2015). An investigation into use of Frequency Vocabulary lists in University. Intensive English Programs. International Journal of Bilingual &Multilingual Teachers of English, 3(2), 71-83.

Shmitt, N. (2000). Vocabulary in Language Teaching (pp 231-239). Cambridge: Cambridge University Press.