1. Doing a Literature Review: Releasing the Social Science Research Imagination;Hart,1998
2. Doing Your Literature Review: Traditional and Systematic Techniques;Jesson,2011
3. The Entrepreneurial Personality: Concepts, Cases, and Categories;Chell,1991
4. What motivates ecopreneurs to start businesses?
5. Green Logic: Ecopreneurship, Theory and Ethics;Isaak,1998