1. Taxonomy of Educational Objectives: Handbook I: Cognitive Domain;Bloom,1956
2. Qualitative Research for Education: An Introduction to Theory and Methods;Bogdan,1982
3. A rule based curriculum development system;Driver,1989
4. Can (and should) instructional design be automated?;Gayeski;Performance and Instruction,1988
5. Toward a Methodology of Naturalistic Inquiry in Educational Evaluation;Guba,1978