Teachers as didimen : is it possible? Can staff trained to teach youth in vocational centres become village extension officers? /

相似書籍

• The agricultural extension service in Papua New Guinea can we make it more effective?
  由: McKillop, Robert F.
  出版: (1974)
• Basic extension skills /
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  出版: (1975)
• Enhancement of agricultural extension services in Papua New Guinea.
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• Extension in rural communities : a manual for agricultural and home extension workers /
  由: Savile, A. H.
  出版: (1965)
• Subsistence food production in Papua New Guinea : agronomy, extension and training /
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