Enhancement of the e-invoicing systems by increasing the efficiency of workflows via disruptive technologiesGunaratne, Hiruni; Pappel, IngridElectronic Governance and Open Society: Challenges in Eurasia : 7th International Conference, EGOSE 2020, St. Petersburg, Russia, November 18-19, 2020 : proceedings2020 / p. 60-74 https://doi.org/10.1007/978-3-030-67238-6_5 Conference proceeding at Scopus Article at Scopus