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.
Bert Bredeweg, Kenneth D. Forbus. Qualitative Modeling in Education. AI Magazine, 24(4):35-46, 2004.
Abstract is missing.