5Kolias V., Anagnostopoulos I.. Remote experiments in education: A survey over different platforms and application fields[C]. Proceedings of the 1 lth Intvmationa Conference on Optimization of Electrical and Electronic Equipment, OPTM, 2008: 181-188.
7Richard E. Mayer, Cheryl I. Johnson. Revising the Redundancy Principle in Multimedia Learning [J]. Journal of Educational Psychology, 2008, 100(2):380-386.