Singh, J.S., S.P. Singh and S.R. Gupta <br/><br/>
Ecology Environmental Science and Conservation 

 - 1st. ed. 3rd reprint 
 - New Delhi  S. Chand Company Ltd.  2023 
 - xiv, 929p. 
<br/><br/><label>ISBN: </label>9789383746002 
<br/><br/><label>Dewey Class. No.: </label>577  / SIN-ECO