TY  - BOOK
AU  - Albrecht, Hartmut
AU  - Bergmann, Herbert Others,
TI  - Rural development series : Agricultural extension Vol I Basic concepts and Methods
SN  - 3880853649
U1  - 630.715 A 13 A 
CY  - New Delhi
PB  - New Age International Publishers
KW  - Agriculture
KW  - Extension Vol I & Rural Development
ER  -