1. Abeywardena, I. S., Chan, C. S., & Tham, C.Y. (2013). OERScout technology framework: A novel approach to open educational resources search. The International Review of Research in Open and Distance Learning, 14(4), 214–237.
2. Agarwal, R., & Venkatesh, V. (2002). Assessing a firm’s web presence: A heuristic evaluation procedure for the measurement of usability. Information Systems Research, 13(2), 168–186.
3. Al-Khalifa, H. S., & Davis, H. C. (2006). The evolution of metadata from standards to semantics in E-learning applications. In Proceedings of the seventeenth conference on Hypertext and hypermedia (pp. 69-72). New York: ACM.
4. Atenas, J., & Havemann, L. (2013). Quality assurance in the open: An evaluation of OER repositories. INNOQUAL: International Journal for Innovation and Quality in Learning, 1(2), 22–34.
5. Atkins, D. E., Brown, J. S., & Hammond, A. L. (2007). A review of the open educational resources (OER) movement: Achievements, challenges, and new opportunities. Menlo Park: The William and Flora Hewlett Foundation.