Economic trends in agriculture
WERTZ, V.R
Economic trends in agriculture - 3rd ed - Ann Arbor, U.S. 1954 - 409p
AGRICULTURE -- ECONOMIC ASPECTS
AGRICULTURE -- ECONOMIC ASPECTS
338.1 W33E
Economic trends in agriculture - 3rd ed - Ann Arbor, U.S. 1954 - 409p
AGRICULTURE -- ECONOMIC ASPECTS
AGRICULTURE -- ECONOMIC ASPECTS
338.1 W33E