A brief history of agricultural extension and education in Papua New Guinea /

類似資料

• A brief history of agricultural extension and education in Papua New Guinea /
  著者:: Dick, Gordon
  出版事項: (1976)
• Rural extension and agricultural education /
  著者:: Densley, D. R. J.
  出版事項: (1978)
• The agricultural extension service in Papua New Guinea can we make it more effective?
  著者:: McKillop, Robert F.
  出版事項: (1974)
• Enhancement of agricultural extension services in Papua New Guinea.
  出版事項: (1998)
• Innovation in Papua New Guinea agriculture /
  著者:: Jarrett, Frank G.
  出版事項: (1985)