G.K.PUBLICATIONS <br/><br/>
OBJECTIVE SCIENCE AND TECHNOLOGY FOR CIVIL SERVICES PRELIMINARY EXAMINATION 2019  

 -  G.K.PUBLICATIONS (PVT) LTD.  2019 
<br/><br/><label>ISBN: </label>9789388030700 
<br/><br/><label>Dewey Class. No.: </label>621.3076 GKP