Singh Lallan, <br/><br/>
Environmental geography 
by Lallan Singh 
 - India  A.P.H. Publishing Corporation  2015 
 - 473P. 
<br/><br/><label>ISBN: </label>978-81-313-0699-4 
<br/><br/><label>Dewey Class. No.: </label>U47  / Q5