Math world 3 /  
Laya C. Bennagen.   
 - Quezon City :  C & E Publishing, Inc,   2008. 
 - v-viii, 557 p. : ill, graphs   
<br/><br/><label>ISBN: </label>9789715845236   
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>FIL/TR 372.7 B469 2008