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World of science.- 

 - Essex   Miles Kelly  2006 
<br/><br/><label>ISBN: </label>978 1 8423 6803 9 9781842368039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE STUDY AND TEACHING
<br/><br/><label>Dewey Class. No.: </label>J507 6 WOR