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1. Getting even by Tripp, Thomas M., Publication: San Francisco : Jossey-Bass, 2009 . 1 online resource (vii, 230 p.) Date:2009 Availability: No items available: Actions: Add to cart
2. The planning stage of on-farm research :   Publication: Mexico , DF. : CIMMYT, 1989 . vi, 85 p. : Date:1989 Availability: No items available: Withdrawn (1), Actions: Add to cart