TY  - BOOK
AU  - Burton E. Swanson, Robert P. Benrz
AU  - Andrew J. Sofranko
TI  - Imporving Agricultural Extention A Reference Manual
SN  - 9788170354086
U1  - 630.715 SWA  
PY  - 2016///
CY  - New Delhi 
PB  - Daya & Astral Pvt. Ltd
ER  -