Medina, R.G. <br/><br/>
Principles of economics / 
Roberto G. Medina. 
 - Manila:  Rex Book Store,  c2003. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>971-23-3610-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>GC 330 M491 2003