1. The practice and challenges of solid waste management in Singapore;Bai;Waste Management,2002
2. Cabinet-Office, 2002. Waste not want not: A strategy for tackling the waste problem in England. London, England.
3. Soft Systems Methodology in Action;Checkland,1999
4. Making Strategy: The Journey of Strategic Management;Eden,1998
5. Edwards, J.S., Collier, P.C., Shaw, D., 2005. Knowledge Management and its Impact on the Management Accountant. Chartered Institute of Management Accountants, London.