1. Measuring Sustainability-Learning From Doing;Bell,2003
2. Bonnell, S.J., 1997. The cumulative environmental effects of proposed small-scale hydroelectric developments in Newfoundland, Canada. M.A. Thesis. Memorial University of Newfoundland, St. John's, Department of Geography.
3. Bossel, H., 1999. Indictors for sustainable development: theory, method, applications. A Report to the Balaton Group. International Institute for Sustainable Development, Winnipeg, Manitoba, Canada, 124 pp.
4. Benchmarking the performance of nations: non-uniform weighting and non-economic dimensions;Bowen;Corporate Governance,2007
5. Commission of the European Community, 2003a. The World Summit on Sustainable Development one year on: implementing our commitments. COM(2003) 829 final of 23.12.2003.