1Kohn,A.Cooperation what it means and doesn't mean. In Allan Combs(Eds.), Cooperation : Beyond the Age of Competition[ M].Gordon & Breach Science Publishers, 1992.3-11.
2Jianping Shen,Sue Poppink,Yunhuo Cui,and Guorui Fan.Lesson Planning:A Practice of Professional Responsibility and Development [ M ].educational HORIZONS,2007 (4) :248-258.
