Cruz, Zenaida <br/><br/>
Principles of tourism Part 1 / 
Zenaida L. Cruz. 
 - Rev. ed. 
 - Manila :  Rexbookstore,  c2006. 
 - 285 p. : ill. ; 22 cm, 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789712346187 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourist trade--Philippines.<br/>Tourism