13398Sector terciario de MexicoPT1993-07-13 17:56:00BT7881Sector terciario de IberoamericaPTBT8588Estructura economica de MexicoPTNT17718Industria hotelera de MexicoPTNT25360Servicios publicos de MexicoPTNT16549Turismo de MexicoPT