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1. Agricultural mechanization :   Publication: Washington, D.C. : World Bank, 1984 . 80 p. : 28 cm. Date:1984 Availability: No items available: Actions: Add to cart
2. Induced innovation :   Publication: Baltimore : Johns Hopkins University P., 1978 . xiv, 423 p. : Date:1978 Availability: Copies available: Turkeyen Campus Social Sciences [HC79.T4 I55] (1), Actions: Add to cart