Sarkar, Mahua  Ed <br/><br/>
History and the changing horizon  Science,environment and social systems 

 - Kolkata  Setu prakashani  2014 
 - 345p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Avz7
<br/><br/><label>Dewey Class. No.: </label>Avz7  / O4