Proceedings of the ninth international conference of agricultural economists

類似資料

• Proceedings of the ninth international conference of agricultural economists
  著者:: Implications of technical change in agriculture
  出版事項: (1952)
• Proceedings of the ninth international conference of agricultural economists
  著者:: Implications of technical change in agriculture
  出版事項: (1949)
• Proceedings of the ninth international conference of agricultural economists
  著者:: Implications of technical change in agriculture
  出版事項: (1947)
• Proceedings of the ninth international conference of agricultural economists
  著者:: Implications of technical change in agriculture
  出版事項: (1938)
• Proceedings of the ninth international conference of agricultural economists
  著者:: Implications of technical change in agriculture
  出版事項: (1934)