TY  - BOOK
AU  - Samuelson,Paul A
AU  - Nordhaus,William D
TI  - Economics
SN  - 0071155422
U1  - 330 21
PY  - 0000///د.ت
CY  - New York
PB  - McGrow-Hill
KW  - Economics
N1  - Includes index; International Editions
ER  -