On facilitating cross-border E-commerce through an automated VAT declaration systemKreos, Kai; Täks, Ermo; Tsap, Valentyna; Pappel, Ingrid; Draheim, Dirk2019 6th International Conference on eDemocracy and eGovernment (ICEDEG 2019) : Quito, Ecuador, April 24–26, 2019 : conference proceeding2019 / p. 56-63 https://doi.org/10.1109/ICEDEG.2019.8734347