CARLSEN Jack Island tourism Sustainable perspectives. CARLSEN Jack; BUTLER Richard - Oxfordshire CABI 2011 - xiv, 249p cm. - Ecotourism Book Series:8 . ISBN: 4616.1400000000003 Source: 726-728, 15/07/2011, Insat Books & Periodicals General Book Dewey Class. No.: X9(U8):(G:5), Q1