2Don Hellrigel, John W.Slocum, Jr., and Richard W.Woodman. Organizaitonal behavior.10th Edition, Cincinnati,Ohio : Southwestern College Pubishing,2004.
3Stephen P.Robbins. Orgnizational Behavior: Concepts, Controversies and Applications. 9th Edition, Englewood cliffs, New Jersey : Prentice-Hall International Inc.,2001.
4Patrick M.Wright, Benjamin B.Dunford, scott A. Snell, Human Resources and the Resource Based View of the Firm, Journal of Management,2001.
5Jay Barney.(1991). Firm Resources and Sustained Competitive Advantage [J].Journal of Management,Vol.42.