1. Bellu, R. R. 1988, Entrepreneurs and managers: are they different? Frontiers of Entrepreneurship Research, 8, 16–30.
2. Bellu, R. R., Davidsson, P. and Goldfarb, C. 1990, Toward a theory of entrepreneurial behavior; empirical evidence from Israel, Italy, and Sweden, Entrepreneurship and Regional Development, 2, 195–209.
3. Berman, F. E. and Miner, J. B. 1985, Motivation to manage at the top: a test of the hierarchic role-motivation theory, Personnel Psychology, 38, 377–391.
4. Hetzner, W. A., Tornatzky, L. G. and Klein, K. J. 1983, Manufacturing technology in the 1980s: a survey of federal programs and practices, Management Science, 29, 951–961.