Thorpe, Edgar <br/><br/>
General Studies For Civil Services Preliminary Examination :  General Science / 
Edgar Thorpe ; Showick Thorpe 
 - Uttar Pradesh:  Pearson India Education Services,   2019. 
<br/><br/><label>ISBN: </label>9789353065850 
<br/><br/><label>Dewey Class. No.: </label>378  / THO/G