TY - GEN TI - Tax co-operation: towards a level playing field : SN - 978-92-64-03902-5 U1 - OCDE 350.725 T2351t 2007 PY - 2007/// CY - Paris [Francia] : PB - Organization for Economic Co-operation and Development, KW - RELACIONES FISCALES INTERGUBERNAMENTALES KW - CONVENIOS TRIBUTARIOS ER -