Nature-based tourism: A draft international covenant Author Soleimanpour H. Date 2006 Source IUCN (ID: MON-075026) Publisher | Place of publication Centre for Sustainable Development (CENESTA) | Tehran, Iran ISBN 2-8317-0911-3 Pages 257 p. Document type Monography/book Language English Field of application International Subject Environment gen. Keyword Policy/planning Tourism Sustainable development