TY  - BOOK
AU  - Birchenhall,Chris .
AU  - Grout,Paul  .
TI  - Mathematics for modern economics / 
SN  - 8170261341
U1  - 510.2433 
PY  - 1987///
CY  - New Delhi : 
PB  - Heritage Publishers , 
KW  - ECONOMICS,MATHEMATICAL
N1  - Includes bibliography and index
ER  -