Batra, Sanjay Kuamr <br/><br/>
Environmental science   Theory into practice (I & II) 
Sanjay kumar Batra and Kanchan Batra 
 - New Delhi  Taxman  2023 
 - Vp 
<br/><br/><label>ISBN: </label>9789357782364  Rs 625 
<br/><br/><label>Dewey Class. No.: </label>333.7  / BAT