The world of Learning 1993 

 - 43 rd ed 
 - London :  Europa Publications,  1993 
 - 2,071 p 
<br/><br/><label>ISBN: </label>0946653798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directions.
<br/><br/><label>LC Class. No.: </label>Ref AY2001  / W927 1993