TY  - BOOK
AU  - Dwivedi; D.N.
TI  - Principles of economics
SN  - 0-7069-4365-1
U1  - 330.1 D961P 
PY  - 1988///
CY  - New Delhi
PB  - Vikas Publishing House Pvt. Ltd.
KW  - Economics
ER  -