1. Alghazo, I.M.: Student attitudes toward web-enhanced instruction in an educational technology course. Coll. Stud. J. 40, 620–630 (2006)
2. Arrigo, M.: E-learning accessibility for blind students. In: Méndez-Vilas, A., González-Pereira, B., González, J.M., González, J.A.M. (eds.) Proceedings of the third international conference on multimedia and information & communications technologies in education ‘Recent research developments in learning technologies’, pp. 1–5. Formatex, Badajoz (2005)
3. Bernard, R.M., Brauer, A., Abrami, P.C., Surkes, M.: The development of a questionnaire for predicting online learning achievement. Distance Educ. 25, 1–47 (2004)
4. Best, J.W., Kahn, J.V.: Research in education. Prentice Hall of India, New Delhi (1989)
5. Bisciglia, M.G., Monk-Turner, E.: Differences in attitudes between on-site and distance-site students in group teleconference courses. Am. J. Distance Educ. 16, 37–52 (2002)