Cruz, Zenaida L. Principles of tourism: part 1 - revised edition. - Manila Rex Bookstore 2006 - vi, 285p. : ill. ; 23 cm. Includes index. ISBN: 9789712346187 Subjects--Topical Terms: Cultutal tourismTourist tradeTravel Dewey Class. No.: 338.4791 / C88p 2006