TY  - BOOK
AU  - Punjab Economic (Advisor)
ED  - Punjab Economic (Advisor)
TI  - Economics of tractor cultivation and economics of
T2  - Economic and statistical organisation publication
U1  - X9(J):(D5138).243r, (GD) 
CY  - Chandigarh
PB  - Govt Press India        
KW  - Agriculture Labour
ER  -