TY  - BOOK
AU  - SUDHIN K MUKHOPADHYAY
TI  - SOURCES OF VARIATION IN AGRICULTURAL PRODUCTIVITY
U1  - GN338.1954M896S 
PY  - 1976///
CY  - DELHI
PB  - MACMILLAN COM. OF INDIA LTD.
KW  - SOURCES OF VARIATION IN AGRICULTURAL PRODUCTIVITY
ER  -