Sinha, Shradha   Dr. <br/><br/>
A text book of environmental studies  / 
Dr. Shradha Sinha, Dr. Manisha Shukla and Dr. Ranjan Shukla. 
 - Dehli :  AITBS Publishers,  2017. 
 - xiii, 324pages :  illustrations ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9788174733023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>370.1  / SIN