DDFARSDFARSde CCH IncorporatedMateriasGovernment purchasingDefense contractsLaw and legislationUnited StatesProcurementUnited States. Department of DefenseEdiciones (1)DFARS (1995)CCH Inc. · inglésMás obras de CCH IncorporatedState tax handbook, 20072010 tax legislationTop federal tax issues for 2007 CPE course