TY  - BOOK
AU  - BEARDSHAW,JOHN
AU  - ROSS,ANDY
TI  - ECONOMICS: A STUDENT S GUIDE 3RD ED / 
U1  - 330 
PY  - 1993///
CY  - [S.N] : 
PB  - PTMAN PUBLISHING ، 
KW  - ECONOMIC DEVELOPMENT
KW  - MICRO COMPUTERS
ER  -