The world of learning 1996. 

 - 40th ed. 
 - London :   Europa,  1990. 
 - 1964 p. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning--world
<br/><br/><label>Dewey Class. No.: </label>001.2  / EUW 1991