Ecology Environment and Conservation 
Edited by Arup Kumar Hazarika 
 - 1st 
 - Guwahati  ALA Publications  2019 
 - 370 p;  23cm 
<br/><br/><label>ISBN: </label>9788190324225 
<br/><br/><label>Dewey Class. No.: </label>577  / ECO