"Upadhyay, Rajeev Ranjan" <br/><br/>
Vaigyanik pura kathayein 

 - New Delhi  Arya Prakashan Mandal  2010 
 - 104 p. 
<br/><br/><label>ISBN: </label>9788189982171 
<br/><br/><label>Subjects--Topical Terms: </label><br/>"Kahani sangrah, Science stories, Vigyan ki kathayein"
<br/><br/><label>Dewey Class. No.: </label>H UPA