Variyar, N S <br/><br/>
Sayansusrsticcaviplavam 

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 -  Kerala grandasala sahakarana sangom  1968 
 - 263 p   
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<br/><br/><label>Subjects--Index Terms: </label>Pure sciences  Natural sciences  Sciences 
<br/><br/><label>Dewey Class. No.: </label>5=M