"Dr Kho Tek Hong,Singapore Ministry of Education,N/A,Dr. Kho Tek Hong,Dr Kho Tek Hong" <br/><br/>
primary mathematics 1A 

 -  federal publicatios [s]pte ltd  2001 
 - 88 
<br/><br/><label>ISBN: </label>9810181639 
<br/><br/><label>Dewey Class. No.: </label>510  / 03300262