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The Effect of Level of Mechanization on Farm Organization and Income
Carl A. Eckelman
Charles A. Sargent
George Casler
Lester H. Myers
Michael Boehlje
Michael O. Hunt
Paul Levi Crane
Russell K. Stivers
Imogene Goodrick
Stanley K. Suddarth
W. H. M. Morris
其他書名
Farm Plans for Cardiac and Non-cardiac Farmers in Central Indiana
出版
Purdue University Agricultural Experiment Station
, 1969
URL
http://books.google.com.hk/books?id=F-ZPAQAAMAAJ&hl=&source=gbs_api
