TY  - BOOK
AU  - John Black
AU  - James F.Bradley
TI  - Essential Mathematics for Economists
SN  - 0471276596
AV  - HB135 .B54 1980
PY  - 1990///
CY  - USA
PB  - John Wiley & Sons
KW  - English
KW  - Economics, Mathematical
KW  - General
KW  - Natural Sciences العلوم البحتة
N1  - Includes index
ER  -