Organic Farming : Theory and Practice - S.P. Palaniappan; K. Annadurai (Jodhpur Scientific Publishers ( India ), 2010)
S.P. Palaniappan & K. Annadurai: Organic Farming : Theory and Practice. Jodhpur. Scientific Publishers ( India ), 2010. 81-7233-537-3 Rs. 475.00--(631.584PAL)
ENGLISH