Ellingham, D.W.W. <br/><br/>
Hand book of primary education and computing 

 - London  Castle House Publications , Ltd .  1984 
 - x,156  Pb 
<br/><br/><label>ISBN: </label>0-7194-0101-1 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>372.241