Substandard Zoo Initiative of the World Association of Zoos and Aquariums Article Sidebar PDF Published: 2005-12-21 DOI: https://doi.org/10.11609/zp.v20i12.2994 Main Article Content S. Walker D. Morgan P. Dollinger O. Byers N. Maddison K. Schwartz I. Boardman R. Ngwenya B.R. Sharma K. Taylor-Holzer Article Details Issue Vol. 20 No. 12 (2005): December Section Articles References