DATTA, R.K <br/><br/>
Environmental studies:  model questions with answers, multiple choice 
R.K.Datta; revised by P.R.Das 
 - Kolkata  Sreema   2019 
 - xvi,166p. 
<br/><br/><label>ISBN: </label> INR 220.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENVIRONMENTAL SCIENCE
<br/><br/><label>Dewey Class. No.: </label>ENV 301.3  / DRt19