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1.

図書
図書
1. Future farm programs : comparative costs and consequences. [1st ed.]
Earl O. Heady, Leo V. Mayer, Howard C. Madsen
出版情報: Ames : Iowa State University Press, 1972
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2.

図書
図書
2. Resource demand and structure of the agricultural industry
Earl O. Heady, Luther G. Tweeten
出版情報: Ames, Iowa : Iowa State Univ. Press, c1963
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3.

図書
図書
3. Agricultural production functions
Earl O. Heady, John L. Dillon
出版情報: Ames : Iowa State University Press, c1961
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4.

図書
図書
4. Economics of agricultural production and resource use
Earl O. Heady
出版情報: New York ; N.J. : Prentice-Hall, 1952
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5.

図書
図書
5. Agricultural policy under economic development
Earl Orel Heady
出版情報: Ames, Iowa : State University Press, 1962.
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6.

図書
図書
6. Linear programming methods
Earl O. Heady [and] Wilfred Candler
出版情報: Ames : Iowa State College Press, c1958
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7.

図書
図書
7. Economic models and quantitative methods for decisions and planning in agriculture : proceedings of an East-West seminar. [1st ed.]
edited by Earl O. Heady
出版情報: Ames : Iowa State University Press, 1971
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8.

図書
図書
8. Economics of cooperative farming : (objectives and optima in Hungary)
by Ferenc Fekete, Earl O. Heady, Bob R. Holdren
出版情報: Leyden : Sijthoff , Budapest : Akadémiai Kiadó, 1976
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