TY  - BOOK
AU  - Umbreit, Myron H
AU  - Hunt, Elgin F
AU  - Kinter, Charles V
TI  - Economics: an introduction to principles and problems
U1  - 330.1 21st
PY  - 1957///
CY  - New York
PB  - McGraw-Hill
KW  - Economics; Economic policy; Economic development
ER  -