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The structure of Arkansas agriculture : a taxonomy
Gunderson, Ralph O.; Ospina, Enrique - 1986
Persistent link: https://www.econbiz.de/10000730510
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The role of state government in agriculture
Ospina, Enrique (contributor) - 1988
Persistent link: https://www.econbiz.de/10000783094
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An investigation of differences in agricultural expenditure by state government
Ospina, Enrique - In: Western journal of agricultural economics : WJAE 15 (1990) 2, pp. 291-299
Persistent link: https://www.econbiz.de/10001116733