Vibal, Victor R. <br/><br/>
Principles of tourism / 
Victor R. Vibal. 
 - Pasig City :  Anvil  Publishing, Inc,  2010. 
 - 118 p. : ill. ; 25 cm 
<br/><br/> Includes bibliographical references and glossary 
<br/><br/><label>ISBN: </label>9789712723636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourism--Study and teaching