TY  - BOOK
AU  - Singh, Devendra Kumar
ED  - Sharma, J. S.
TI  - Determination of replacements among major crops in India through simultaneous equation ststem
U1  - TH-P 338.133 S617D 
PY  - 1985///
CY  -  Pantnagar
PB  - GBPUA&T
KW  -  Agriculture
KW  -  Income
KW  - Crop rotation
N1  - Agricultural Economics
ER  -