Smoothey , Marion  <br/><br/>
Let's investigate statistics : 

 - Marshall :  London ;  1993. 
 - 64 p ; 21cm .  01 
 - 2024-07-26 
<br/><br/><label>ISBN: </label>185435468X  
<br/><br/><label>Nat. Bib. No.: </label>0010088 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>SMO 
<br/><br/><label>Universal Decimal Class. No.: </label>510