Fennell, David A. Ecotourism : an introduction / David A. Fennell. - 2nd ed. - London : Routledge, 2003. - 235 p. : ill. ; 25 cm. Include bibliograpical references ISBN: 0415303656 Subjects--Topical Terms: Ecotourism. Dewey Class. No.: 338.4791 FEN