Uppal, Shveta <br/><br/>
Project book in environmental education : for class X / 
Uppal, Shveta. 
 - New Delhi:  NCERT,  2009. 
 - xii, 44p.; 22cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788174509871 
<br/><br/><label>Dewey Class. No.: </label>372.357 PRO