"Seng, Teh Keng" <br/><br/>
New Syllabus Mathematics Workbook 2 (7th ed.) 

 - Karachi  Oxford University Press  2018 
 - 247 
<br/><br/><label>ISBN: </label>9780199407453 
<br/><br/><label>Dewey Class. No.: </label>510  / 1500-T