TY  - BOOK
AU  - Dwivedi, D.N..
TI  - Mangerial economics / 
SN  - 0-7069-1472-4
U1  - X:8 
PY  - 1981///
CY  - New Delhi : 
PB  - Vikas Publishing House Pvt ltd , 
KW  - Economics <Pricing> <Nayional income>
ER  -