TY  - BOOK
AU  - Umbreit,Myron Henry
TI  - Economics: an introduction to principles and problems
AV  - HB171.5 .U5 1957
U1  - 330.1 
PY  - 1957///
CY  - New York
PB  - McGraw-Hill
KW  - Economics
KW  - Local
N1  - First ed. published in 1948 under title: Fundamentals of economics
ER  -