TY  - BOOK
AU  - Attiyeh,Richard
AU  - Bach,George Leland
AU  - Lumsden,Keith
TI  - Macroeconomics: a programmed book 
U1  - 330 
PY  - 1970///
CY  - Englewood Cliffs, NJ.
PB  - Prentice-Hall
KW  - Economía
KW  - Enseñanza programada
ER  -