Macroeconomics : a programmed book / Richard Attiyeh, Keith Lumsden and George Leland Bach. Attiyeh, Richard. Lumsden, Keith G. author. Bach, George Leland, 1915-1994, author. Macroeconomics Programmed instruction. HB171.5 .A84 1974 330.1 BAM Includes index. Englewood Cliffs, N.J. : Prentice-Hall, 1974. 1974. 1977 Text vi, 233 p. ; eng