TY  - BOOK
AU  - Singh Labh
AU  -  Singh Ajaib
TI  - Cost of production of crops and canal irrigated estate in Punjab
U1  - X9(J):26.243.N4, H4/GD 
PY  - 1944///
CY  - chandigarh
PB  - Govt Press India        
KW  - Agricultura Industry
ER  -