Lahakar, Priyabrat. <br/><br/>
পৰিবেশ অধ্যয়ন / 

 - 1st ed. 
 - Guwahati :  Modern Publishers, 
 - 187 p.; 
<br/><br/><label>ISBN: </label> INR 75.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Environmental Studies 
<br/><br/><label>Dewey Class. No.: </label>333.7  / LAH