Diamantis, Dimitrios Ecotourism Dimitrios Diamantis - Philippine Edition - Singapore : Cengage Learning, 2012. - xvi, 359 pages : tables, figures ; 23 cm. Includes Index. ISBN: 9789814416283 Subjects--Topical Terms: EcotourismEcotourism--Philippines. Dewey Class. No.: 338.4791 / D541e