Jensen, Paz A. Lacsamana <br/><br/>
Speed math  : multiplication & addition 

 - Pasig City :  Anvil Publishing,  2004 
 - 86 pages 
<br/><br/><label>ISBN: </label>9712715353 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>510