TY  - BOOK
AU  - Roy, Dilip
TI  - Cost analysis data for farming operations required for wheat and paddy cultivation using different types of tractors
U1  - PR 631.372 R95C 
PY  - 1981///
CY  - Ludhiana
PB  - PAU
KW  - TRACTORS - ECONOMIC ASPECTS
KW  - AGRICULTURE - ECONOMIC ASPECTS
ER  -