Batra, Sanjay Kumar and others <br/><br/>
Environmental science : theory into practice (I & II) 

 - 6th 
 - New Delhi  Taxmann Publications  2023 
 -  irreguar pages 
<br/><br/><label>ISBN: </label>9789357782364 
<br/><br/><label>Dewey Class. No.: </label>