Saxena, A. B. <br/><br/>
A textbook of energy, environment, ecology and society / 
Saxena, A. B. 
 - New Delhi :  New Age International,  2011. 
 - x, 150p.; 24cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9788122432572 
<br/><br/><label>Dewey Class. No.: </label>621.042 SAX