TY  - BOOK
AU  - Dwivedi, D.N.  .
TI  - Managerial economics / 
SN  - 0-7069-1472-4
U1  - X:8 
PY  - 1981///
CY  - New Delhi : 
PB  - Vikas Publishing House Pvt. Ltd., , 
KW  - Economics- Management
ER  -