Alison M. (2000). Entrepreneurship; what triggers it? International Journal of Entrepreneurial Behavior & Research, Vol, 6 no. 2, 2000, pp. 59-71.
Alison M. A Contextualization of entrepreneurship, , Strathclyde Business School, University of Strathclyde, Glasgow, UK
Alstete, J.W. (2002). On becoming an entrepreneur: An evolving typology. International Journal of Entrepreneurial Behavior & Research, 8(4), 222-234.