The World of Learning 1999 

 - 49 th ed 
 - London :  Europa Publications,  1998 
 - 2080 p :  ill 
<br/><br/><label>ISBN: </label>1857430492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directories.
<br/><br/><label>LC Class. No.: </label>Ref AY2001  / W927 1998