Economics of irrigation

類似資料

• irrigation principles and practices
  著者:: Hansen, Vaughn E
  出版事項: (1979)
• The economics of irrigation
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  出版事項: (1981)
• Irrigation principles and practices
  著者:: Israelsen, Orson W
  出版事項: (1950)
• Irrigation in India agricultural development : productivity stability equity
  著者:: Dhawan, B D
  出版事項: (1988)
• Irrigation economics in poor countries
  著者:: Hazlewood,Arthur
  出版事項: (1982)