Manual for economics with work exercises / 
Silon,Elsa ; Bernardo, Ramon A.; Quilloy, Melani C.  
 - 1st ed. 
 - Manila :  Rex Book Store,  2009. 
 - viii,11725.2cm. 
<br/><br/>includes references 
<br/><br/><label>ISBN: </label>9789712353208 
<br/><br/><label>Dewey Class. No.: </label>Fil 330 S585 2009