1. Psychological characteristics associated with performance in entrepreneurial firms and smaller businesses;Begley;Journal of Business Venturing,1987
2. A behavioral explanation of the differential economic development of the centernorth and mezzogiorno of Italy;Bellu,1987
3. Locus of control, need for achievement, and entrepreneurship;Borland,1974
4. The Rise and Decline of Small Firms;Boswell,1972
5. Becoming an entrepreneur: a question of personality structure?;Brandstätter,1988