FFarm managementFarm managementde John D. BlackMateriasFarm managementAgricultureEconomic aspectsEdiciones (2)Farm management (1948)Macmillan · inglésFarm management (1947)The Macmillan Co.Más obras de John D. BlackAAgricultural reform in the United StatesAgricultural reform in the United States1929CCooperative central marketing organizationCooperative central marketing organization1924Economics for agriculture1959
