Stephen, P <br/><br/>
Simple statistics for library and information professionals 
by Stephen, P and Horonby S 
 - 2 
 - London  Library Association  1997 
<br/><br/><label>ISBN: </label>1856042200 
<br/><br/><label>Dewey Class. No.: </label>519.5024 STE/SIM-2