6Light, P. H. and Mevarech, Z. R. (1992), Cooperative Learning with Computers: an introduction[ J], Learning and Instruction, Vol.18,No.3., PERGAMON Press, Great Britain, 155- 159.
7Kuhn, D. (1972). Mechanism of Change in the Development of Cognitive Structures[J], Psychological Review, Vol.77, P454～470.
8Slavin, R. E. (1980). Cooperative Learning[ J], Review of Educational Research, The University of Chicngo Press , USA, Vol. 50,No. 2, P315.
9Wittrock, M. C. (1978). The Cognitive Movement in Instruction[J]. Educational Psychology, Vol.77, P 60～66.
10Johnson, D. W. &Johnson, R.T. (1989). Toward A Cooperative Effort[J] .Educational Leadership, ASCD Publications, USA , Vol. 46, P80 ～ 81.
