Lacsamana-Jensen, Paz Alegria <br/><br/>
Speed math : subtraction and division /   by Paz A. Lacsamana-Jensen.   

 - Pasig City :  Anvil Publishing,   c2006.   
 - 168 p.   
<br/><br/> Includes bibliography <br/><br/> 
<br/><br/><label>ISBN: </label>978-971-27-1788-8   
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>FIL 510.7 L119 2000