1. Environment Agency., Spotlight on business environmental performance in 2006, Environment Agency
2. Mall RK, Gupta A, Singh R, Singh RS, Rathore LS (2006) Water resources and climate change: an Indian perspective
3. Maylor H, Blackmon K (2005) Researching business and management. Palgrave Macmillan, Houndmills
4. OECD (2013a) Green entrepreneurship, eco-innovation and SMEs. Working Party on SMEs and Entrepreneurship
5. House of Lords (2008) Waste Reduction. Science and Technology Committee, House of Lords, The Stationary Office, London, vol 1