4Tumer A N, Lawrence P R. Industrial Jobs and the Worker. Boston.. Harvard University Press, 1965.
5McCormick E J. Human Factors in Engineering and Design .4th ed. New York :McGraw2hill , 1976. , Konz S. Work Design. Columbia. OH: Grid ,1979.
6Davis,L. E. & walker, G.J. (1998). Job design, In S. Gael. (ed.). The Job Analysis Handbook for Business, Industry, end govement. Vol. 1,pp. 157-172.
7Grandjean, E. (1980). fitting the Task to the Man: An Ergonomic Approach. 3rd ed. London: Taylor and Francis.
8Gomick,E. J. (1976). Human Factors in Engineering And Design. 4th ed. New York. MeGraw--Hill.
9Campion, M. A. , Paper, E. M. , Medsker, G. J (1996). Relations: between work group characteristics and effectiveness: Implications for designing effective, work groups. Personnel Psychology, Vol. 49, pp. 823-850.
10Hyatt D E. & Ruddy T M. (1997). An Examination of the Relalionship Between Work Group Characteristics and Performance. Once more into the Breech. Personnel Psychology, 50(3) :553-585.