TY  - BOOK
AU  - Betal,M.
ED  - West Bengal (India) Directorate of Agriculture
TI  - Concepts and definitions of agricultural agricultural statistics in West Bengal
U1  - 630.83 
PY  - 1974///
CY  - Calcutta
PB  - Directorate of Agriculture
KW  - Agriculture
KW  - Economic aspects
KW  - Statistical methods
ER  -