Verma, V. <br/><br/>
A Text Book of Plant Ecology 

 - 4th /   1988. 
 - Delhi:  Emkay Publications ,  1988. 
 - 340p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Botany, Botany. 
<br/><br/><label>Dewey Class. No.: </label>581.5