6Barney,J.. 1991 ,Firm resources and sustained competitive advantage, Journal of Management, 17: 99-120.
7Chnstensen, C. M, and M,Overdorf, 2000. Meeting the challenge of disruptiv e change, Harvard Business Review.March-April : 66 - 76.
8Cohen, W. M. and D. A. Levinthal, 1990, Absorptive capacity: a new perspect ire on learning and innovation,Administrative Science Quarterly. 35: 128-152.
9Conner, K. R., 1991. A historical comparison of resource-based theory, and five schools of thought within industrial organization eeonomics: do we have a new theory of the firm. Journal of Management, 17 (1):121-154.
10Conner, K. R. and C, K. Prahalad, 1996, A resouroe-based theory of the firm : knowledge versus opportunism, Organization Science, vol, 7, No, 5, 477-501.
