Methods of farm mangement investigations for improving farm productivity

類似資料

• Methods of farm mangement investigations for improving farm productivity
  著者:: Yang, W Y
  出版事項: (1958)
• Methods of farm management investigations for improving farm productivity
  著者:: Yang, W.Y
  出版事項: (1965)
• Methods of karm management investigations for improving farm productivity
  著者:: W Y Yang
  出版事項: (1965)
• Studies in the economics of farm mangement
• Economics of farm production and management
  著者:: Raju, V T
  出版事項: (1990)