TY  - BOOK
AU  - Srivastava, Umesh Chandra.
TI  - Study of In-Service Training Needs Block Agricultural Officers of Bihar / 
U1  - 630.717 
PY  - 1977///
CY  - .- Sabour, Bhagalpur
PB  - : BAU
KW  - Extension Education
KW  - Training
KW  - Thesis
KW  - M.Sc
ER  -