TY  - BOOK
AU  - Lewis,J.Parry
TI  - An introduction to mathematics for students of economics
U1  -  650.01513 
PY  - 1959///[Reprinted 1961]
CY  - London ; , New York
PB  - Macmillan ; St. Martin's Press
KW  - Business mathematics
N1  - Includes bibliography and index
ER  -