Walker, John R. Tourism concepts and practices / - Singapore : Pearson Education South Asia Pte Ltd. , c2011. - xxxviii, 537 p. : ill. ; 26 cm. Includes index. ISBN: 9789810697754 Subjects--Topical Terms: 1. Tourist trade. 2. Tourism. Dewey Class. No.: Circ. 910.68 W181t 2011