Economies of size of Illinois cash-grain and hog farms
Arsdall, R.N.V., Elder, W.A.
Economies of size of Illinois cash-grain and hog farms - Illinois 1969 - 1-68 p. - Illinois Agriculture Experimen .
Economies of size of Illinois cash-grain and hog farms - Illinois 1969 - 1-68 p. - Illinois Agriculture Experimen .