Bhatt, Harish; Badan, B S Encyclopaedia of tourism in the new millennium Vol.1: Ecotourism Bhatt, Harish; Badan, B S - - Crescent Publishing Co., Delhi 2005 - 306 p - . ISBN: 5000 Subjects--Topical Terms: Tourism Dewey Class. No.: R 338.4791 BHA.1