"Dr Yeap Ban Har," <br/><br/>
Oxford Think  New Syllabus Mathematics 2 , 8th edition 

 - Karachi  Oxford University Press  2024 
 - 418 
<br/><br/><label>ISBN: </label>9789697347452 
<br/><br/><label>Dewey Class. No.: </label>510  / HAR