TY  - BOOK
AU  - Ulmer,Melville J.
TI  - Economics: theory and practice
AV  - HB 171.5 U46.1959
PY  - 1959///, ©1959
CY  - Boston, (Massachusetts
PB  - Houghton Mifflin
KW  - Economía
N1  - Incluye índices
ER  -