Santos, Buen Principles of tourism 1 / - Quezon city : C & E Pub., c2009. - ix, 144 p. : col. ill. ; 25 cm. Includes bibliographical references and index. ISBN: 9789715848527 Subjects--Topical Terms: 1. Tourism. 2. Tourism–Philippines. Dewey Class. No.: Fil. 338.41 S237p 2009