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Consideration of Frequency in Farm Activity Selection
Hovav Talpaz
John B. Penson
Avraham Harpaz
出版
Department of Agricultural Economics, Texas Agricultural Experiment Station, Texas A & M University System
, 1985
URL
http://books.google.com.hk/books?id=o6u2GwAACAAJ&hl=&source=gbs_api