TY  - BOOK
AU  - N.R. Umesha
AU  -  M.K. Sethurao  Department of Agricultural Extension Education
TI  - A study on perception, performance and preference for extension roles by agricultural assistants in nations agricultural extesni
U1  - 630 
PY  - 1987///
CY  - Bangalore
PB  - University of Agricultural Sciences, Bagnalore
ER  -