00765nam0 2200253 450 00000271820090309143224.00-324-07732-620010411d2001----km-y0itay50------baengUSPrinciples of macroeconomicsRoy J. Ruffin, Paul R. Gregory7. ed.BostonAddison-Wesleyc2001XXIX, 792 p.ill.25 cmPrinciples of macroeconomics52676MacroeconomiaElementiRuffin,Roy J.630115Gregory,Paul R.119311ITUNIPARTHENOPERICAUNIMARC000002718NAVA2023/350934220010411Principles of macroeconomics52676UNIPARTHENOPE