(1984). Argentina corn yield model / Susan L. Callis and Clarence Sakamoto.
Tohutoru Kātū Chicago (17th ed.)Argentina Corn Yield Model / Susan L. Callis and Clarence Sakamoto. 1984.
Tohutoro MLA (9th ed.)Argentina Corn Yield Model / Susan L. Callis and Clarence Sakamoto. 1984.
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