In this article, Christopher Wallace reviews current research on vocabulary instruction for ELLs. The article gives evidence for the importance of strong vocabulary skills in learning to read in a second language and includes recommendations for putting research into practice in the mainstream classroom.
Wallace, C. (2007) "Vocabulary: the key to teaching English language learners to read". Reading Improvement. Retrieved from http://findarticles.com/p/articles/mi_hb6516/is_4_44/ai_n29414045/.