"IAS mains general studies paper 3 : technology, economic development, bio-diversity, environment, security & disaster management" 
IAS mains general studies paper 3 technology economic development bio diversity environment security disaster management 
 -  721p. : pbk. 
 - New Delhi  Arihant Publications (India) Limited  9999 
<br/><br/><label>ISBN: </label>9789311129211 
<br/><br/><label>Dewey Class. No.: </label>001 MOH  / 22.001 MOH