Tordillo, Jose Arvin Seco. <br/><br/>
Simplified Algebra / 
Tordillo, Jose Arvin Seco. 
 - rev./ed. 
 - 19-98p. :  illus. ;  21cm. 
<br/><br/><label>ISBN: </label>9719193166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--2014--Philippines--newsprint.