00588nam a2200193 a 4500008004100000020002200041100002400063245008500087250001200172260004200184300004100226500002000267504004100287650001500328700002400343003000100367005001700368040000900385                                          a0131968723 (pbk.)1 aO'Sullivan, Arthur.10aEconomics :bprinciples and tools /cArthur O'Sullivan [and] Steven M. Sheffrin.  a4th ed.  aUpper Saddle River :bPearson,c2006.  axxxii, 814 p. :bcol. ill. ;c25 cm.  aIncludes index.  aIncludes bibliographical references. 0aEconomics.  aSheffrin, Steven M.20230123125039.0  cNUST