"TEH KENG SENG" <br/><br/>
MATHEMATICS WORKBOOK 1 

 - SINGAPORE  Oxford : Oxford University Press, 1987.,SYSTEM PUBLISHING HOUSE  1998 
 - 198 
<br/><br/><label>ISBN: </label>9789814023108 
<br/><br/><label>Dewey Class. No.: </label>510  / T-122