1. Alternative University Appraisal Model for ESD in Higher Education, version 1.2 (2012), available at: http://sustain.oia.hokudai.ac.jp/aua/ (accessed 11 June 2014).
2. Benchmarking tools for assessing and tracking sustainability in higher education institution: identifying an effective tool for the University of Saskatchewan;International Journal of Sustainability in Higher Education,2012
3. Borger, F.G. (2001), “Responsabilidade social: efeitos da atuação social na dinâmica empresarial”, PhD thesis, Universidade de São Paulo, São Paulo.
4. Campus Sustainability Assessment Framework Core (2009), available at: www.syc-cjs.org/sites/default/files/SYC-CSAF-core.pdf (accessed 11 June 2014).
5. In search of the sustainable campus;The Chronicle of Higher Education,2006