Bernardo M. Villegas and Victor A. Abola  <br/><br/>
ECONOMICS: AN INTRODUCTION  

 - Fourth Edition 
 -  Sinag-Tala Publishers, Inc.  1992 
<br/><br/> Includes Index  
<br/><br/><label>ISBN: </label>971-554-061-9 
<br/><br/><label>Dewey Class. No.: </label>Fil. 330 V71 1992