Ray, G. L
Extension Communication and management - 4 th ed. - Calcutta Naya Prokash 1999 - 324p.
81-85421-57-9
Agricultural extension work
Rural extension
EMIS (Information retrieval system)
630.715 / RAY/E
Extension Communication and management - 4 th ed. - Calcutta Naya Prokash 1999 - 324p.
81-85421-57-9
Agricultural extension work
Rural extension
EMIS (Information retrieval system)
630.715 / RAY/E