TY  - BOOK
AU  - Samuelson, Paul A. 
AU  - Nordhaus, William D.
TI  - Economics/13e
U1  - X 
PY  - 1989///
CY  - New Delhi
PB  - Mc Graw Hill
KW  - Economics
KW  - Business
KW  - Demography
KW  - Money
ER  -