Farmers participation in agricultural research and extention systems

相似書籍

• Farmers participation in agricultural research and extension systems
  由: John, K C, et al., Ed
  出版: (1987)
• Farmers participation in agricultural research and extension systems
  由: Arora,S K
  出版: (1997)
• Extent of teacher participation in school based
  由: Newman Wadesango
• Textbook of Agricultural Extention Management
  由: Jaganathan, D
  出版: (2008)
• Mass communication in agricultural extention
  由: Dileep,Kumar
  出版: (2012)