IUCN Protected Area Programme series
IUCN-World Conservation Union
Commission on National Parks and Protected Areas (CNPPA) ; synthesised and edited by Duncan Poore
IUCN 1992 IUCN Protected Area Programme series no. 2
:pbk
Available at 1 libraries
edited by Jim Thorsell
IUCN-The World Conservation Union c1990 IUCN Protected Area Programme series no. 1 , The IUCN conservation library