| 1 | McDonough, J., Shaw, C., & Masuhara, H. (2013). Materials and methods in ELT: A teacher’s guide (3rd ed.). WileyBlackwell. |
| 2 | Tomlinson, B. (2013). Developing materials for language teaching. Bloomsbury Academic. |
| 3 | Tomlinson, B., & Masuhara, H. (2010). Research for materials development in language learning. Continuum. |
| 4 | Tomlinson, B., & Masuhara, H. (2013). Adult coursebooks. ELT Journal, 67(2), 233-249. |