"Hong","N/A","Dr Kho Tek Hong,Singapore Ministry of Education,N/A,Dr. Kho Tek Hong,Dr Kho Tek Hong" <br/><br/>
Primary Mathematics 2a 

 -  Federal Publications  2001 
 - 104 
<br/><br/><label>ISBN: </label>9810181655 
<br/><br/><label>Dewey Class. No.: </label>510  / 03300237