(1985). Mandatory programs for wheat and feed grains a pro/con discussion / by Carl W. Ek. [microform].
Tohutoru Kātū Chicago (17th ed.)Mandatory Programs for Wheat and Feed Grains a Pro/con Discussion / by Carl W. Ek. [microform]. 1985.
Tohutoro MLA (9th ed.)Mandatory Programs for Wheat and Feed Grains a Pro/con Discussion / by Carl W. Ek. [microform]. 1985.
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