Nivera, Gladys C. <br/><br/>
Elementary algebra I : patterns and practicalities /  

 - Makati City, Philippines :   Don Bosco Press,   c2007. 
 - xiii, 367 pages :   color illustrations ;   25 cm. 
<br/><br/><label>ISBN: </label>9789715226387 
<br/><br/><label>Dewey Class. No.: </label>Fil. 512 N735e 2007