Bhalla G S Ed. <br/><br/>
Environmental education 

 - New Delhi  Regal Publication       2007 
 - xviii,259p  cm. 
<br/><br/><label>Standard No.: </label>54 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Economics
<br/><br/><label>Dewey Class. No.: </label>X:(G:55), P7