Math world 2 :   revised under the K-12 curriculum / 
Aurora C. Zuniga.   
 - Quezon City :  C&E Publishing,  2013. 
 - 509p.:col.ill   
<br/><br/><label>ISBN: </label>9789719968658   
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>TR 372.7 Z871m 2013