كتب ذات صلة

Agricultural economics : teaching research and writing; University of California, Berkeley, 1922-1969 : and related material

• The organization of agriculture
  المؤلفون: Pratt, Edwin A.
• A history of inland transport and communication in England
  المؤلفون: Pratt, Edwin A.
• Agricultural organisation, its rise, principles and practice abroad and at home
  المؤلفون: Pratt, Edwin A.