1. Allwright, D. and Bailey, K.M. (1991), Focus on the Language Classroom: An Introduction to Classroom Research for Language Teachers, Cambridge University Press, Cambridge.
2. Baker, C. (1993), “Foundations of bilingual education and bilingualism”, Multilingual Matters, Clevedon.
3. Bee, H. (1997), The Developing Child, 8th ed., Longman, New York, NY.
4. Bendell, T., Boulter, L. and Kelly, J. (1993), Benchmarking for Competitive Advantage, Pitman, London.
5. Brown, H.D. (1994), Teaching by Principles: An Interactive Approach to Language Pedagogy, Prentice‐Hall Regents, Englewood Cliffs, NJ.