Agricultural history of ancient India /

समान संसाधन

• Agricultural extension: a field study
  द्वारा: Arun, Mukhopadhyay
  प्रकाशित: (1971)
• Agricultural extension
  द्वारा: Ban, A W Vanden
  प्रकाशित: (1985)
• Agricultural extension : training and visit system
  द्वारा: Benor, Daniel
  प्रकाशित: (1984)
• Agricultural extension services in the U S A
  प्रकाशित: (1951)
• Agricultural extension : the training and visit system
  द्वारा: Baxter, Michael
  प्रकाशित: (1984)