TY  - BOOK
AU  - SANDHU, Harjinder Singh
TI  - Economics of alternative choices in selected improved practices for general crop farms in Ludhiana district
U1  - T 631.12 S15E 
PY  - 1966///
CY  - Ludhiana
PB  - PAU
KW  - CROPPING -- LUDHIANA
ER  -