TY  - BOOK
AU  - Singh, Ravindra
TI  - Study on marketable surplus of paddy and wheat under modern agriculture on family farms in central-South Bihar
U1  - 338.1 S 643 S 
PY  - 1991///
CY  - Bhagalpur
PB  - BAC, Sabour
KW  - Agricultural Economics
ER  -