Ramakrishnan, P S Shifting agriculture and sustainable development: An interdisciplinary study from North-Eastern India - Delhi: Oxford University Press, 1993 - xvii, 424p. - Man and the biosphere series . Vol. 10 ISBN: 0195633121 Subjects--Topical Terms: Agriculture Subjects--Index Terms: Nutrient Cropping Universal Decimal Class. No.: 631.95:332.3(540-18) / N2