المؤلفون: Winn, William

المصدر: Journal of Research in Science Teaching; May1980, Vol. 17 Issue 3, p201-211, 10p, 1 Diagram, 4 Charts, 1 Graph

مصطلحات موضوعية: SECONDARY education research, TEACHING aids, SCIENCE education, BLOCK diagrams, CONCEPT learning, COGNITIVE ability, SCIENCE students, NINTH grade (Education)

مصطلحات جغرافية: CALGARY (Alta.), ALBERTA