1. Lecture Notes in Artificial Intelligence;A. Rodriguez-Ascaso,2007
2. Drigas, A., Koukianakis, L., Papagerasimou, Y.: An E-Learning Environment for Nontraditional Students with Sight Disabilities. In: ASEE/IEEE, 36th Annual Frontiers in Education Conference. IEEE, San Diego (2006)
3. Drigas, A., Vrettaros, J., Kouremenos, D.: An e-learning management system for the deaf people. World Scientific and Engineering Academy and Society, WSEAS (2005)
4. Lecture Notes in Computer Science;O.C. Santos,2007
5. Bouraoui, A., Jemni, M., Laabidi, M.: A Model Driven Framework to Provide Accessible E-learning for Students with Disabilities. In: 1st International Conference on ICTA (Information and Communication Technology and Accessibility), ICT & Accessibility, Hammamet, Tunisia (2007)