1. Adkins, D. (2001). A report for the Japan Association of New Business Incubation Organizations (JANBO): Summary of the U.S. incubator industry. Athens, OH: National Business Incubation Association.
2. Bearse, P. (1998). A question of evaluation: NBIA’s impact assessment of business incubators. Economic Development Quarterly, 12(4), 322–333.
3. Creswell, J. W. (1994). Research design: Qualitative and quantitative approaches. Thousand Oaks: SAGE Publications.
4. Crowne, D. P., & Marlowe, D. (1964). The approval motive: Studies in evaluative dependence. New York: Wiley.
5. Curran, P. J., West, S. G., & Finch, J. F. (1996). The robustness of test statistics to nonnormality and specification error in confirmatory factor analysis. Psychological Methods, 1, 16–29.