Shukla R.S and ,Chandel, P S. <br/><br/>
A Textbook of Plant Ecology 
Including Ethnobotany and Soil Science 
 - New Delhi  S Chand & Co new Delhi  1972 
 - 526 
<br/><br/><label>ISBN: </label>9788121905480 
<br/><br/><label>Publisher. No.: </label> SK Publishers and Distributors 
<br/><br/><label>Subjects--Personal Names: </label> ENVIRONMENTAL SCIENCE 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science