Verma, P. S. <br/><br/>
Environmental biology: principles of ecology 

 - 1st edition 1983 /  
 - New Delhi :  S. Chand & Company  2021 
 - 350 pages.  
<br/><br/><label>ISBN: </label>81-219-0859-0 
<br/><br/><label>Subjects--Topical Terms: </label> Biotechnology 
<br/><br/><label>Dewey Class. No.: </label>577  / VER