Handbook of Organic Farming and Biofertilizers - Gaur A.C. (Jaipur Ambica Book Agency, 2006)
Gaur A.C.: Handbook of Organic Farming and Biofertilizers. Jaipur. Ambica Book Agency, 2006. 81-87118-03-2 Rs. 1500.00--(631.847GAU)
ENGLISH