Rana, Anuj Kumar  . <br/><br/>
Environment and ecology: a scientific approach /  
by Anuj Kumar Rana and Manoj Kumar Rana. 
 - Delhi :   Global Vision Publishing House ,   2011 
 - 319p :  
<br/><br/><label>ISBN: </label>978-81-8220-388-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology, Ecology, Environment
<br/><br/><label>Dewey Class. No.: </label>G:5Ot55  / Q1;9