Vibal, Victor R. <br/><br/>
Principles of tourism / 
Victor R. Vibal. 
 - Pasig City :  Anvil Pub,  2010. 
 - 118 p.:   ill.  26 cm. 
<br/><br/> Includes bibliography 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-27-2363-6/978-971-27-2267-7 
<br/><br/><label>LC Class. No.: </label>910.7 V65