1. Zoo education: from formal school programmes to exhibit design and interpretation;Andersen;Int Zoo Yearbook,2003
2. [AZA] Association of Zoos and Aquariums 2011 Education homepage http://www.aza.org/conservation- education
3. Conservation learning in wildlife tourism settings: lessons from research in zoos and aquariums;Ballantyne;Environ Educ Res,2007
4. [BIAZA] British and Irish Association of Zoos and Aquariums 2011 Education homepage http://www.biaza.org.uk/public/pages/educat ion/index.asp
5. [Chester Zoo] North of England Zoological Society 2012 Education homepage http://www.chesterzoo.org/education