Ball, A D <br/><br/>
Work out statistics 'A' level 
/ by A. D. Ball and G. D. Buckwell 
 - 1st rep. 
 - London:  Macmillan Education Ltd.,  1987. 
 - 263p. 
<br/><br/><label>ISBN: </label>0333403819 
<br/><br/><label>Dewey Class. No.: </label>519.5076  / BAL/W