Lacsamana-Jensn, Paz <br/><br/>
Speed math : subtraction & division /  
Paz Lacsamana-Jensn 
 - Mandaluyong City :   Anvil Publishing, Inc.,   ©2006. 
 - iii, 168 pages :   illustrations ;   21 cm 
<br/><br/><label>ISBN: </label>9789712717888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary).
<br/><br/><label>Dewey Class. No.: </label>F 513.21  / J54s 2006