R.M. Dubey <br/><br/>
Human ecology and environmental education  : Interdisciplinary approaches  
R.M. Dubey 
 - Allahabad:  Chugh,  1992. 
 - xv,369p. 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>Dewey Class. No.: </label>301.31  / HUM