1. Ackerman, M. S. (2000). The intellectual challenge of cscw: The gap between social requirements and technical feasibility. Human-Computer Interaction, 15, 181–203.
2. Alberts, P. P., Murray, L. A., Griffin, D. K., & Stephenson, J. E. (2007). Blended learning: Beyond web page design for the delivery of content. In J. Fong & F. L. Wang (Eds.), Workshop on blended learning (pp. 53–65). Edinburgh, UK: The Hong Kong Web Society, Pearson Prentice Hall.
3. Archibald, D. (2008) Rapid e-learning: A growing trend. Retrieved July 2008, from http://www.learningcircuits.org/2005/jan2005/archibald.htm .
4. Baeza-Yates, R. A., & Ribeiro-Neto, B. A. (1999). Modern information retrieval. Addison-Wesley.
5. Bawden, D., Bates, J., Steinerovu, J.,Vakkari, P., & Vilar, P. (2007). Information retrieval curricula; contexts and perspectives. In A. McFarlane, J. M. Fernandez Luna, I. Ounis, & J. F. Huete (Eds.), Proceedings of the First International Conference on Teaching and Learning Information Retrieval, London, UK.