1. Abowd Gregory D. etal Classroom 2000: Enhancing classroom interaction and review. 1996. Abowd Gregory D. et al. Classroom 2000: Enhancing classroom interaction and review. 1996.
2. Bligh Donald A. What's the Use of Lectures?. Intellect books 1998. Bligh Donald A. What's the Use of Lectures?. Intellect books 1998.