Hasim, Norrin <br/><br/>
Learning mental maths 5B 
Norrin Hasim 
 - 1st ed 
 - Singapore  Singapore Asian Publications Pvt Ltd  2008 
 - 109 p. : ill 
<br/><br/><label>ISBN: </label>9789812558442 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510 HAS