World of learning 1975-76 
/ Europa Publication Limited 
 - 6th 
 - London:   Europa Publication Limited,   1975 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Subjects--Index Terms: </label>Science  International organization  
<br/><br/><label>Universal Decimal Class. No.: </label>R 37(4/9(058.7)   / L5