Villegas, Bernardo M.  <br/><br/>
Economics an introduction, 5th ed./ 
Bernardo M. Villegas 
 - 5th 
 - Philippines :   Center for Research and Communication Foundation, Inc.,   c2001 
 - 311 p. ;   25 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>971-92459-0-5. 
<br/><br/><label>Dewey Class. No.: </label>339 V714e 2001