Medina, Roberto G. <br/><br/>
Principles of economics / 
Roberto G. Medina. 
 - Manila :   Rex Book Store  c 2003, reprint 2011. 
 - ix, 286 pages :  illustration ;  23 cm. 
<br/><br/>"Reprinted 2010" 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>97897136102 (NP) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB 171.5 M42 2003