Perry, O. <br/><br/>
Mastering mathematics 

 - London  Macmillan  1982 
 - 386p. 
<br/><br/><label>ISBN: </label> RS 35.00 
<br/><br/><label>Source: </label> RS 35.00 
<br/><br/><label>Dewey Class. No.: </label>510 PER