1. Bell, M. (2000). Teaching developmenl process handbook. University of Wollongong: ITT Module 7.
2. Brookfield, S. (1987). Developing critical thinkers. San Fransisco: Jossey-Bass.
3. Brookfield, S. D. (1986). Understanding and facilitating adult learning. San Fransisco: Jossey-Bass.
4. Centra, J. A. (1993). Reflective faculty evaluation: Enhancing leaching and determining faculty effectiveness. San Francisco: Jossey-Bass
5. DEVELOP: Developing Excellence in Language Teaching through the Observation of Peers. HEFCE, Centre for Language Study, Leeds Metropolitan University: UK.