TY  - BOOK
AU  - Henderson,J.Vernon
AU  - Poole,William
TI  - Principles of economics
SN  - 0-669-14491-6
U1  - 330 
PY  - 1991///]
CY  - MA.
PB  - D. C. Heath
KW  - Economics
KW  - ECONOMICS
ER  -