7Thomas J. Dean,Jeffery S. McMullen.Toward a theory of sustainable entrepreneurship:Reducing environmental degradation through entrepreneurial action. Journal of Business . 2007
8Hartman, C,Stafford E.Green alliances:Building new business with environmental groups. Long Range Planning . 1997
9Shane S,Venkataraman S.The promise of entrepreneurship as a field of research. The Academy of Management Journal . 2000