TY  - BOOK
AU  - Sidhu,Dhanwant Singh
TI  - Effect of different parameters on annual use and repair maintenance costs of farm machinery
U1  - PR 631.3 S42E 
PY  - 1981///
CY  - Ludhiana
PB  - PAU
KW  - AGRICULTURAL MACHINERY - MAINTENANCE AND REPAIR -- ECONOMI
KW  - AGRICULTURAL MACHINERY - MAINTENANCE AND
ER  -