TY  - BOOK
AU  - Ray, G.L.
TI  - Technological gap and constraints in agricultural technology transfer
U1  - 374 N5 
PY  - 1995///
CY  - Calcutta
PB  - Maya Prakash
KW  -  G.L.Ray, P.Chatterjee and S.N.Banerjee.
KW  - Agricultural extension
ER  -