3Glaser, B. & Strauss A. (1967). The Discovery of Grounded Theory: Trategies for Qualitative Research. Chicago: Aldine.
4Glaser, B. G (2001). Grounded Theory Perspective: Conceptualisation Contrasted with Description. Mill Valley: Sociology Press.
5Strauss, A. (1987). Qualitative Analysis for Social Scientists. Cambridge: Cambridge University Press
6Strauss, A. & Corbin J. (1990): Basics of Qualitative Research: Grounded Theory Procedures and Techniques, New, bury Park: Sage.
7Teeee, David J. Technology Transfer by Multinational Finns: The Resources Cost of Transferring Technological Know - How [ J ]. Economic Journal, 1977, ( 87 ) :242 - 261.
8Mansfield, Edwin, Mark Schwartz, and Samuel Wagner. Imitation Costs and Patents: An Empirical Study[ J]. Economic Journal,1981,91 (12) :907 -918.
9David Currie,Paul Levine, Josph Pearlman, and Michael Chui. Phase of imitation and innovation in a north - south endogenous growth model[ J ]. oxford Economic, 1999 : 51 (1), 60 - 88.
10Hammersley M. The Dilemma of Qualitative Method : Herbert Blumer and the Chicago Tradition [ M ]. London; Routledge. 1989 : 18.