Principles of tourism / 
Vibal, Victor R. 
 - Pasig City :  Anvil Publishng, Inc.,  2010. 
 - xiii,118p.: ill;25.3cm. 
<br/><br/>Includes worksheets, glossary, bibliography 
<br/><br/><label>ISBN: </label>9789712722677 
<br/><br/><label>Dewey Class. No.: </label>Fil 338.4 V624 2010