TY  - BOOK
AU  - Ummer, E. K.
TI  - Basic mathematics for economics, business, and finance
SN  - 9780415664202
U1  - 510 UMM 
PY  - 2012///
CY  - New York
PB  - Routledge
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -