Kalita, Ratul Ch. <br/><br/>
Environmental studies 

 - 1st ed. 
 - Guwahati  K. K. Publications  2012 
 - 224p.;  21cm. 
<br/><br/><label>ISBN: </label>9789381691120(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>363.7  / KAL