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A note on technical change in banking : the case of European savings banks
Carbó Valverde, Santiago, (2003)
O-ring production on US hog farms : joint choices of farm size, technology, and compensation
Yu, Li, (2014)
The roles of agroclimatic similarity and returns on scale in the demand for mechanization : insights from Northern Nigeria
Takeshima, Hiroyuki, (2017)
Changes in economic organization of farming to attain specified income levels
Heady, Earl O., (1959)
Agricultural policy under economic development
Heady, Earl O., (1962)
The agriculture of the U. S.
Heady, Earl O., (1976)