Sen, Sudhir <br/><br/>
Vijnan ki batein 

 - Delhi  Rashtrabhasha Prakashan  2005 
 - 112p. p. 
<br/><br/><label>ISBN: </label>8190157140 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science ;Hindi
<br/><br/><label>Dewey Class. No.: </label>500  / SEN