Asthana, D. K. <br/><br/>
A Textbook of Environmental Studies/ 
D. K. Asthana 
 - 1st ed. 
 - New Delhi :  S Chand,  2019 
 - xvi, 397p. :  ill.;  24cm. 
<br/><br/> Includes Glossary and Index. 
<br/><br/><label>ISBN: </label>9788121927642 :  Rs. 325.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY<br/>ENVIRONMENTAL STUDIES
<br/><br/><label>Dewey Class. No.: </label>372.357  / AST