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1. Analysis in the design of new technology for small farmers, Centro International de Agricultura Tropical,1975.   Publication: Iowa : The State U.P., 1979 . xii, 211 p. Date:1979 Availability: Copies available: Turkeyen Campus Social Sciences [HD1476 A3157 I57 1979] (1), Actions: Add to cart No cover image available No cover image available
2. Tropical farming economics /   Publication: London : Longman, 1973 . xxiv, 174p. : Date:1973 Availability: Copies available: Turkeyen Campus Social Sciences [HD1417 H27] (2), Actions: Add to cart No cover image available No cover image available