Satya Prakash <br/><br/>
General Science & Technology compendium:  For IAS prelim General Science & Technology 
Satya Prakash  
 - Third 
 - NewDelhi  Disha  2021 
<br/><br/><label>ISBN: </label>9789390486762 
<br/><br/><label>Dewey Class. No.: </label>371.26  / SAT.G