"Dr Yeo Joseph , Teh Seng Keng , Loh Yee Cheng , Chow Ivy , Neo Meng Chai ,Liew Jacinth" <br/><br/>
Oxford New Syllabus Mathematics 7th Edition 

 - Pakistan  Oxford University Press  2018 
 - 419 
<br/><br/><label>ISBN: </label>9780199407408 
<br/><br/><label>Dewey Class. No.: </label>510  / 10000671