Carretero Pérez, JesúsGarcía Sánchez, José DanielGarcía Blas, Francisco JavierARCOS-UC3M2018-10-152018-10-152017-04-11https://hdl.handle.net/10016/27529Technical reportapplication/pdfengE-invoiceE-commerceDistributed systemsSecurityA comparative study of electronic invoice in 4 European countriesworking paperInformáticaopen accessDT/0000001608