TY  - BOOK
AU  - Black, J.
AU  - Bradley, J. F.
TI  - Essential Mathematics for Economists
SN  - 0471077135
U1  - 330.18 
PY  - 1973///
CY  - Chichester
PB  - John Wiley And Sons, Inc.
KW  - Economics
KW  - Social sciences
KW  - Mathematics
ER  -