National system planning for protected areas Author Davey A.G., Phillips A. Date 1998 Source IUCN (ID: MON-082283) Publisher | Place of publication International Union for the Conservation of Nature and Natural | Cambridge, UK ISBN 2-8317-0399-9 Pages 75 p. Document type Monography/book Language English Field of application International Subject Wild species & ecosystems Keyword Policy/planning Protected area Website www.iucn.org