Thorpe, Edgar; Thorpe, Showick <br/><br/>
General studies for civil services preliminary examination: paper I (Vol. 4) (Geography and environmental ecology) 

 - 1st Ed. 
 - Noida  Disha Publications  2021 
 - V. 
<br/><br/><label>ISBN: </label>9789390325313  299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competitive examinations/ UPSC
<br/><br/><label>Dewey Class. No.: </label>001 THO