00677nam a2200205 a 4500008004100000020002100041100001700062245006800079250001200147260004700159300002700206500011000233504004100343500001900384650002000403700002100423003000100444005001700445040000900462                                          a0673182266 (pbk)1 aRuffin, Roy.10aPrinciples of macroeconomics /cRoy J. Ruffin, Paul R. Gregory.  a2nd ed.  aGlenview, Ill. :bScott, Foresman,cc1986.  axxix, 519 p. ;c26 cm.  aAlso issued in a combined volume with Principles of microeconomics, under title: Principles of economics.  aIncludes bibliographical references   aIncludes index 0aMacroeconomics.1 aGregory, Paul R.20230123133159.0  cNUST