Agraval, V. P. <br/><br/>
Science development and environment 

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 - Muzafarnagar  Society of biosciences  1990 
 - 332p.   
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<br/><br/><label>Subjects--Index Terms: </label>Biological sciences  Environmental sciences  science and environment 
<br/><br/><label>Dewey Class. No.: </label>57.02