"Seng, Teh Keng" <br/><br/>
New Syllabus Mathematics Workbook - 4 (6th Edition) 

 - UK  Shing Lee  Publishers PTE LTD,Oxford University Press  2014 
 - 174 
<br/><br/><label>ISBN: </label>9780195979626 
<br/><br/><label>Dewey Class. No.: </label>510  / T-527