Bhatt, Harish. Sustainable tourism / Harish Bhatt and B. S. Badan. - New Delhi : Crescen Publishing, 2006. - 318 p. ; 22 cm. Includes index. Bibliography : p. 315-316. 300 300 ISBN: 81-8342-011-7 Subjects--Topical Terms: EcotourismTourism Dewey Class. No.: 338.4791 / B1s