1. The psychology of meaningful verbal learning;Ausubel,1963
2. Educational psychology: A cognitive view;Ausubel,1968
3. The use of vocabulary as an advance organizer;Barron,1969
4. The effects of advance organizers and grade level upon the reception learning and retention of general science content;Barron,1972
5. A systemic research procedure, Organizers, and overviews: An historical perspective;Barron,1981