TY  - BOOK
AU  - Dwivedi, D.N..
TI  - Managerial economics / 
SN  - 0-7069-3261-7
U1  - X:8 
PY  - 1981///
CY  - New Delhi-110002 : 
PB  - Vikas Publishing House Pvt Ltd , 
KW  - Managerial economics
ER  -