Smoothey , Marion  <br/><br/>
Let' s Investigate Estimatting : 

 - Marshall :  London ;  1995. 
 - 63p ;21cm .  01 
 - 2024-07-01 
<br/><br/><label>ISBN: </label>1854357794 
<br/><br/><label>Nat. Bib. No.: </label>0009851 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>SMO 
<br/><br/><label>Universal Decimal Class. No.: </label>780