5Hammersley M. The dilemma of qualitative method: herbert blumer and the Chicago tradition [ M ]. London:Rout- ledge, 1989 : 18.
6Layder D. New strategies in social research[ M]. Cambridge:Polity Press, 1983:50-58.
7Rafols I, Meyer M. Diversity and network coherence as indicators of interdisciplinarity : case studies in Bionano- science [ J ].Scientometrics, 2010 (82) : 263 - 287.
8Glaser B, Holton J. The grounded theory seminar reader [ M ]. Mill Valley : Sociology Press, 2007.
9Bandura A. Social foundations of thought and action:a social cognitive theory [ M ]. Englewood Cliffs, NJ:Prentice Hall, 1986.
10De Ruyter K, Wetzels M, Lemmink J, et al. The dynamics of the service delivery process:a value-based approach [ J ]. International Journal of Research in Marketing, 1997,14 ( 3 ) : 231-243.