TY  - BOOK
AU  - Suryanarayana Raju,S K V  .
TI  - Analysis of productivity levels and economic efficiency in agriculture / 
SN  - 818507612x
U1  - 338.16 
PY  - 1987///
CY  - Allahabad : 
PB  - Chugh Publications , 
KW  - PRODUCTION
N1  - Includes index , bibliography
ER  -