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Regional trends in extension system resources
Ahearn, Mary Clare (contributor); Yee, Jet (contributor);  … - 2003 - [Elektronische Ressource]
Persistent link: https://www.econbiz.de/10002131171
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Agricultural productivity in the United States : an Economic Research Service report
Ahearn, Mary Clare; Yee, Jet; Ball, Eldon; Nehring, … - 1998
Persistent link: https://www.econbiz.de/10001436417
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Capacity utilization and measurement of agricultural productivity
Hauver, James H.; Yee, Jet; Ball, V. Eldon - 1991
Persistent link: https://www.econbiz.de/10000866681
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How costs of production vary
Ahearn, Mary Clare (contributor) - 1990
Persistent link: https://www.econbiz.de/10000883100
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Farm income data : a historic. perspective
Lucier, Gary; Chesley, Agnes; Ahearn, Mary Clare - 1986
Persistent link: https://www.econbiz.de/10000722543
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Beginning farmers and ranchers
Ahearn, Mary Clare; Newton, Doris - 2009
Persistent link: https://www.econbiz.de/10008650777
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Alternative measures of farm output to classify farms by size
Hanson, Gregory D.; Stanton, Bernard F.; Ahearn, Mary Clare - 1989 - Reprod
Persistent link: https://www.econbiz.de/10000849307