1. Defining mission-focused research for the AZA community;Association of Zoos & Aquariums,2013
2. Committing to conservation: The world zoo and aquarium conservation strategy;Barongi,2015
3. A multi-institutional assessment of factors influencing locomotion and pacing in captive okapis (Okapia johnstoni);Bennett;Journal of Applied Animal Welfare Science,2015
4. Measuring zoo animal welfare;Bloomsmith;Journal of Applied Animal Welfare Science,2009
5. Report of the technical committee to enquire into systems;Brambell,1965