Castaņeda, Sherwin Prose C. <br/><br/>
Principles of Economics / 
by Sherwin Prose C. Castaņeda, Erlinda H. de Gracia, Shaneil R. Dipasupil, Rosario M. Liquigan and Emma F. Toledo. 
 - 258 p. ;  27 cm. 
<br/><br/><label>ISBN: </label>978-971-821-107-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Philippines--2007--newsprint.