1. FAO Regional Office for Asia and the Pacific, “Policies and strategies for agro-industries in the Asia-Pacific region”,, RAP Bulletin, 1993.
2. ADB, “Key Indicators Education for Global Participation”, 2003, Manila.
3. United Nations Industrial Development Organization, ID/WG.544/l, NGO Forum on Cleaner Industrial Production” Vienna, Austria, October 1995.
4. ibid.
5. Assessment of cleaner production uptake: method development and trial with small businesses in Western Australia;Howgrave-graham;Journal of Cleaner Production,2007