00681nam a2200193 a 450000100100000000500170001000800410002702000150006804000250008308200130010810000340012124500690015526000570022430000280028150000220030970000280033195201110035999900170047000004177620201002035740.0131017s1983    xxua          001 0 spa d  a0673158578  aDO-SdBNPbengcBNPHU  axxxbxxx1 aRuffin, Roy. J.d1938-96863010aPrinciples of microeconomics. /cRoy J. Ruffin, Paul R. Gregory.  aDallas Texas, :bScott, Foresman and company,c1983.  a484 p. :bil. ;c26 cm.  aIncludes glossary1 aGregory, Paul R.968631  001050718MOaGRbGRcCTd2013-10-17iLF1l0oxxx xxxp41776-10r2020-06-25w2020-06-25y1ZNo se presta  c41265d41265