Page, Stephen Ecotourism / Stephen J. Page and Ross K. Dowling. - Harlow, England ; New York : Prentice Hall, c2002. - xvi, 338 p. : ill., maps ; 24 cm. ISBN: 058235658X (pbk.) Subjects--Topical Terms: Ecotourism. Dewey Class. No.: 338.4791 PAR