1. Agenda 21: Earth Summit—The United Nations Programme of Action from Rio de Janeiro,1992
2. Education for Sustainability, from Rio to Johannesburg: Lessons Learnt from a Decade of Commitment,2002
3. Contributing to a More Sustainable Future: Quality Education, Life Skills, and Education for Sustainable Development,2005
4. Sustainability, Science, and Higher Education: The Need for New Paradigms;Martens;Sustainability,2010
5. Transferability of approaches to sustainable development at universities as a challenge;Adomssent;Int. J. Sustain. Higher Educ.,2007