Thorpe, Edgar  <br/><br/>
General Studies - Paper I: For Civil Services Preliminary Examination 2017; Vol.4: geography and environmental ecology 
Edgar Thorpe 
 -  Pearson India  2017 
 - vi, 422p. 
<br/><br/><label>ISBN: </label>9789332576087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Studies - Manual - Civil Services
<br/><br/><label>Dewey Class. No.: </label>001 THO