Extension communication and management/
Ray, G.L.
Extension communication and management/ G.L. Ray - Ludhiana: Kalyani pub., 1991. - 358 p.
9788127268404
Agricultural extension work--Rural extension
EMIS (Information retrieval system)
630.715 / RAY/E
Extension communication and management/ G.L. Ray - Ludhiana: Kalyani pub., 1991. - 358 p.
9788127268404
Agricultural extension work--Rural extension
EMIS (Information retrieval system)
630.715 / RAY/E