Dyfyniad APA

Heady, E. O. (1971). Economic models and quantitative methods for decisions and planning in agriculture.

Dyfyniad Arddull Chicago

Heady, Earl O. Economic Models and Quantitative Methods for Decisions and Planning in Agriculture. IOWA State University Press, Iowa, 1971.

Dyfyniad MLA

Heady, Earl O. Economic Models and Quantitative Methods for Decisions and Planning in Agriculture. 1971.

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