TY  - BOOK
AU  - Silk, Leonard Solomon,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : principles and issues
SN  - 70574413
SN  - 2
PY  - 1975///46
CY  - New York
PB  - McGraw-Hill
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Economics
N1  - Bibliography: p. 558-570; 5
ER  -