1Kozlowski, S. W, J, Ilgen, D. R, Enhancing the effectiveness of work groups and teams.Psychological Science in the Public Interest,2006.7,77-124
2Jackson, S. Team composition in organizations. In S. Worchel, W. Wood, & J. Simpson(Eds. ), Group process a.nd productivity, 1992, 158 -176, London. Sage