Elementary algebra for the basic education curriculum /  
Pastor B. Malaborbor, Editha J. Carreon, Jose Ramon S. Lorenzo, Leticia E. Sabangan.  
 - Quezon City :  Educational Resources Corporation,   c2002. 
 - xiii, 273 p. :  ill.  
<br/><br/> Includes index.  
<br/><br/>
<br/><br/><label>ISBN: </label>971-8608-12-5 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 M29 002