TY  - BOOK
AU  - Ashok Kumar
ED  - Chadha, G.K.
TI  - Time series analysis of crop production and productivity : A study of wheat, rice and cotton in the Punjab since 1950-51
U1  - TA.0109 
PY  - 1977///
PB  - Panjab University
KW  - Cotton
KW  - Punjab
KW  - Time-Series analysis
KW  - Rice
KW  - Wheat
ER  -