Jensen, Paz Lacsamana,  <br/><br/>
Speed math:    Subtraction and division /  
Paz A. Lacsamana -Jensen.  
 - Pasig City:   Anvil Publishing,  Inc. ,   2006. 
 - xii, 168 pages :  black and white illustrations, figures and numbers;   21 cm. 
<br/><br/>includes bibliography.  
<br/><br/> " 
<br/><br/> Young Adult 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9789712717888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics for secondary education. <br/>Speed mathematics.
<br/><br/><label>Dewey Class. No.: </label>510  / J41s