Teaching guide in elementary algebra. 

 - Batangas City :  United Eferza Academic Publication,  2010. 
 - vi, 131 p.:  27 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>971540 
<br/><br/><label>LC Class. No.: </label>510.07 T22 c2010