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The Effect of Level of Mechanization on Farm Organization and Income
B. Bruce Bare
Carl A. Eckelman
George Casler
Paul Levi Crane
Robert B. Forster
Robert Henry Perkins
Eric W. Stark
Imogene Goodrick
Michael O. Hunt
W. H. M. Morris
Stanley K. Suddarth
其他書名
Farm Plans for Cardiac and Non-cardiac Farmers in Central Indiana
出版
Purdue University Agricultural Experiment Station
, 1968
URL
http://books.google.com.hk/books?id=MuqeTKmGALYC&hl=&source=gbs_api