TY  - BOOK
AU  - Dwivedi,D N  .
TI  - Managerial economics / 
SN  - 81-259-1001-2
U1  - 338.5024658 
PY  - 2003///
CY  - New Delhi : 
PB  - Vikas Publishing House , 
KW  - Managerial economics
ER  -