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World of learning 1989 

 - 39th ed. 
 - London  Europa Publications  1989 
 - xv, 1988 p.  HB  22 cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>World of learning 1989
<br/><br/><label>Dewey Class. No.: </label>370.321  / WOR