1 | • Al-Busaidi, S., & Tindle, K. (2010). Evaluating the impact of in-house materials on language learning. In B. Tomlinson, & H. Masuhara (Eds.). Research for materials development in language learning (137-149). London, UK: Continuum. |
2 | • Byrd, P. (2001). Textbooks? Evaluation for selection and analysis for implementation. In M. Celce-Murcia (Ed.), Teaching English as a Second and Foreign Language (3rd ed.) (pp.415-427). Boston, MA: Heinle & Heinle. |
3 | • Cunningsworth, A. (1995). Choosing Your Coursebook. Oxford: Macmillan Publishers. |
4 | • Dat, B. (2003). Materials for developing speaking skills. In B. Tomlinson (Ed.). Developing materials for language teaching (375-393). London, UK: Continuum. |