TY  - BOOK
AU  - LOS A LOS
TI  - METHEMATICAL MODELS IN ECONOMCS
SN  - 100
U1  - GN 510L897M 
PY  - 1974///
CY  - NEW YORK
PB  - NORTH HALLAND PUBLISHING COMPANY
KW  - METHEMATICAL MODELS IN ECONOMCS
ER  -