Graham, Duncan. <br/><br/>
A level mathematics / 
Duncan Graham, Christine Graham and Allan Whitcombe 
 - 3rd rev. ed. 
 - London :  BPP (Letts Educational),  1993 
 - Letts educational A level study guides .
<br/><br/><label>ISBN: </label>185758225X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Examinations, questions, etc.
<br/><br/><label>Dewey Class. No.: </label>510.76  / GRA