1. Cannella, G.S. and Reiff, J.C. (1994), “Individual constructivist teacher education: teachers as empowered learners”,Teacher Education Quarterly, Vol. 21 No. 3, pp. 27‐38.
2. A study of usability of Web-based software repositories
3. A constructivist approach to object-oriented design and programming
4. Hummingbird (2002),Hummingbird Web Portal, available at: www.hummingbird.com/
5. Ingargiola, G., Nathan, H., Aiken, R., Dubey, R., Wilson, J., Papalaskari, M., Christensen, M. and Webster, R. (1994), “A repository that supports teaching and co‐operation, the introductory AI course”,Proceedings of the 25th Annual SIGCSE Symposium on Computer Science Education, pp. 36‐40.