00402nam a2200169Ia 45000030005000000080041000050200018000460400013000640410008000770500016000851000019001012450036001202500008001562600038001643000024002026500006002261460200110s9999||||xx |||||||||||||| ||und||  a968-455-741-8  cCIC-UMAD  aspa  aK1215 bS43  aSuarez, Gerard 0aSeguro social con correlaciones  a29a  aMéxicobDofiscal Editoresc2005  a0b22 cm x 14.7 cm   a0