References
- Echevarria , J. and Graves , A. 2003 . Sheltered Content Instruction: Teaching English-language Learners with Diverse Abilities , NY : Allyn and Bacon .
- Schecter , S. R. and Cummins , J. 2003 . Multilingual Education in Practice: Using Diversity as a Resource , Portsmouth, NH : Heinemann .
- Walqui , A. 2000 . Access and Engagement: Program Design and Instructional Approaches for Immigrant Students in Secondary School , McHenry, IL : Delta Systems Co. and Center for Applied Linguistics .