Fennell, David A., 1963- Ecotourism : an introduction / David A. Fennell. - London : Routledge, 1999. - xx, 315 p. : ill. ; 23 cm. Includes bibliographical references (p. [283]-310) and index. ISBN: 0415142377 RM303.50 LCCN: 98-026731 Subjects--Topical Terms: Ecotourism.