Automatization of cross-border customs declaration : potential and challenges : a case study of the Estonian customs authorityLiutkevičius, Markko; Pappel, Karl Ivory; Butt, Sidra Azmat; Pappel, IngridElectronic Government : 19th IFIP WG 8.5 International Conference, EGOV 2020, Linköping, Sweden, August 31 - September 2, 2020 : proceedings2020 / p. 96-109 https://doi.org/10.1007/978-3-030-57599-1_8 Conference proceedings at Scopus Article at Scopus Conference proceedings at WOS Article at WOS