1. Psychological characteristics associated with performance in entrepreneurial firms and smaller businesses;Begley;Journal of Business Venturing,1987
2. Locus of Control, Need for Achievement and Entrepreneurship;Borland,1974
3. The Rise and Decline of Small Firms;Boswell,1972
4. Technical Entrepreneurship;Braden,1977
5. The psychology of the entrepreneur;Brockhaus,1982