Study on regional travel in the Philippines 1988:   regions I-VII 

 - [Quezon City] :  DOT/AIT,  1988. 
 - 3 v. 
<br/><br/>v.1 Summary of findings -- v.2 Regional analysis : region 1-7  -- v.3 Regional analysis : region 8-12, NCR. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourism--Philippines.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippines--Description and travel.