6Novak J D, Gowin D B. Learning How to Learn[M].London : Cambridge University Press. 1984,1- 56.
7Marvin Willerman. The concept map as Advance Organizer[J]. Journal of Research in Science Teaching,1991,28(8) : 705- 711.
8Novak,J. D. Meaningful Learning. The Essential Factor for Conceptual Change in Limited or inappropriate Propositional Hierarchies Leading to Empowerment of Learners. Science Education, 2002,86 (4) : 548- 571.
9Diana C. Rice,Joseph M. Ryan,sara M. Samson. Using Concept maps to Assess Student Learning in the Science Classroom: Must Different Methods Compete?[J]. Journal of Research in Science Teaching, 1998,35(10):1103- 1127.
