Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Gunnar Stefansson. The tutor-web: An educational system for classroom presentation, evaluation and self-study. Computers & Education, 43(4):315-343, 2004. [doi]
Abstract is missing.