Shukla, R. S., <br/><br/>
Plant  Ecology  and  Soil  Science 

 - 9th /   2001. 
 - Delhi:  S.  Chand  &  Company  Ltd.,  2001. 
 - 498p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Botany, Ecology  of  Plant. 
<br/><br/><label>Dewey Class. No.: </label>581.5