TY  - BOOK
AU  - Attiyeh,Richard
AU  - Bach,George Leland
AU  - Lumsden,Keith G.
TI  - Macroeconomics: a programmed book 
SN  - 0135426626
U1  - 339.077 21
PY  - 1974///].
CY  - Englewood Cliffs: 
PB  - Prentice-Hall, 
KW  - Macroeconomics
KW  - Programmed instruction
ER  -