Somasundaram E. <br/><br/>
Principles of Organic Farming (With Theory and Practicals) 

 - New Delhi  New India Publishing Agency  2019 
 - 379p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>93-87973-71-8 
<br/><br/><label>Dewey Class. No.: </label>631.584  / SOM