Sharma R. D. Ed. <br/><br/>
Human resource development and environment 

 - New Delhi, India  Commonwealth Publishers  1991 
 - xii,328p. 
<br/><br/><label>ISBN: </label>81-7169-106-4 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Education