Singh, Akhand Pratap  <br/><br/>
Pramukh Jeev Vaigyanik Aur Unke Aavishkar: in Hindi 

 - 1st Edition 
 - New Delhi  Prashant Book Distributers  2014 
 - 152p. 
<br/><br/><label>ISBN: </label>9789383963126 
<br/><br/><label>Dewey Class. No.: </label>823  / SIN/P