Hartley, A.  B.Sc. <br/><br/>
Basic statistics:  teacher's guide/ 
A. Hartley. 
 - United KIngdom:  Gwelfryn Publictaions,  1991. 
 - 16p., 
<br/><br/><label>ISBN: </label>0951323350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.--Statistics.
<br/><br/><label>Dewey Class. No.: </label>519.5