College algebra with mathematical models recreational more practical applications / 
Benjamin P. Concepcion Jr., Sergio E. Ymas Jr., Prescila S. Altares. 
 - 2008 edition. 
 - Manila :  Ymas Publishing House,  c2007. 
 - x, 288 pages :  illustration ;  c2007. 
<br/><br/><label>ISBN: </label>9789710438013 
<br/><br/><label>Subjects--Topical Terms: </label><br/>College algebra--workbook.