Verma, P S  & Agarwal, V K <br/><br/>
Environmental biology: Principles of ecology  English 

 - New Delhi  S Chand & Com  2021 
 - 591p  pb 
<br/><br/><label>ISBN: </label>9788121908597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bioscience--E1676
<br/><br/><label>Dewey Class. No.: </label>577. VEP E  / book