Gabay, Bon Kristoffer G. <br/><br/>
Economics:  its concepts and principles (with agrarian reform and taxation)/ 
Bon Kristoffer G. Gabay, Roberto M. Remotin, Jr. and Edgar Allan M. Uy 
 - Manila:  Rex Book Store,  c2007. 
 - xiii, 321 pages :  illustrations ;  22 cm. 
<br/><br/>Includes bibliographical references, index, and glossary.