Ray, G. L.
Extension communication and management - New Delhi Kalyani Publishers 1991 - 401p.
81-272-2807-9
Agricultural extension work
Rural extension
EMIS (Information retrieval system)
630.715 / RAY/E
Extension communication and management - New Delhi Kalyani Publishers 1991 - 401p.
81-272-2807-9
Agricultural extension work
Rural extension
EMIS (Information retrieval system)
630.715 / RAY/E