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.
M. Beatrice Ligorio, M. Veermans. Perspectives and patterns in developing and implementing international web-based collaborative learning environments. Computers & Education, 45(3):271-275, 2005. [doi]
Abstract is missing.