Asthana, D.K. and Asthana, Meera <br/><br/>
A Textbook of Environmental Studies 
(For Undergraduate Courses) 
 - New Delhi  S. Chand & Company Pvt. Ltd.  2006 
 - 397 
<br/><br/> 008183 
<br/><br/><label>Publisher. No.: </label> S. Chand and Company Pvt. Ltd. 
<br/><br/><label>Subjects--Personal Names: </label> MSc Botany 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MSc Botany