Proceedings of the ninth international conference of agricultural economists

Antzeko izenburuak

• Proceedings of the ninth international conference of agricultural economists
  nork: Implications of technical change in agriculture
  Argitaratua: (1952)
• Proceedings of the ninth international conference of agricultural economists
  nork: Implications of technical change in agriculture
  Argitaratua: (1949)
• Proceedings of the ninth international conference of agricultural economists
  nork: Implications of technical change in agriculture
  Argitaratua: (1947)
• Proceedings of the ninth international conference of agricultural economists
  nork: Implications of technical change in agriculture
  Argitaratua: (1938)
• Proceedings of the ninth international conference of agricultural economists
  nork: Implications of technical change in agriculture
  Argitaratua: (1934)