Mohanka, Reena. <br/><br/>
Environmental education / 
Reena Mohanka, Ananya Sen and  M. P. Singh. 
 - New Delhi :  A P H Publishing,  c 2009. 
 - Vols. :  ills. ;  23 cm. 
<br/><br/>V. 1-- ; 
<br/><br/>311  311 
<br/><br/><label>ISBN: </label>978-81-313-0458-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental problems.<br/>Ecology<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>333.7 / M71