Sharma Arun K. Handbook of Organic Farming - Jodhpur Agrobios (india) 2013 - 627 Sharma Arun K.: Handbook of Organic Farming. Jodhpur. Agrobios (india), 2013. 81-7754-099-4--(631.584SHA) ENGLISH ISBN: 81-7754-099-4 Dewey Class. No.: 631.584 / SHA