7Aggarwal, R. , Ward, J. , & Balasundaram, I. (2007). Proving the effetiveness of virtual reality simulation for training in laparoscopic surgery [ J]. Annals of Surgery, (5) :771-779.
8Burdea, G. C. , & Coiffet, P. ( 1994 ). Virtual reality technology [ M ]. NJ : John Wiley and Sons.
9Chaturvedi, S. K., Bawab, S., & Khan, H. (2005). Develop- ment of a methodology to visualize and conduct a physical experiment as a web-based virtual experiment[ A]. Proceeding of IASTED International Conference Web-Based Education [ C ]. 101 - 108.
10Cortera, J.E., Escheb, S. K., Chassapisb, C., Mac, J. , & Nickersonb, J. V. (2011 ). Process and learning outcomes from remotely- operated, simulated, and hands-on student laboratories [ J ]. Computers & Education ,57 ( 3 ) :2054-2067.
