Chopra J K ed <br/><br/>
Development in the field of science and technology IT and Space 

 - New Delhi  Unique  2012 
 - xii,360p.;24cm 
<br/><br/><label>ISBN: </label>9788183571005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and technology-UPSC/PCS Civil service exam guide