- E-Governance in the European Union : strategies, tools, and implementation2024 https://doi.org/10.1007/978-3-031-56045-3 https://www.ester.ee/record=b5703480*est
- e-identity : a step forward to European Digital CitizenshipRamiro Troitino, David; Mazur, ViktoriaE-Governance in the European Union : strategies, tools, and implementation2024 / p. 57-70 https://doi.org/10.1007/978-3-031-56045-3_5 https://www.ester.ee/record=b5703480*est
- e-Identity and eIDAS : interpretation of concepts by different countries [Online resource]Tsap, ValentynaProceedings of the 4th Interdisciplinary Cyber Research Workshop 2018 : 9th of June 20182018 / p. 9-10 https://www.ttu.ee/public/k/kyberkriminalistika_ja_kyberjulgeoleku_keskus/CRW_2018_lingitud.pdf
- Key factors in coping with large-scale security vulnerabilities in the eID fieldLips, Silvia; Pappel, Ingrid; Tsap, Valentyna; Draheim, DirkElectronic Government and the Information Systems Perspective :7th International Conference, EGOVIS 2018, Regensburg, Germany, September 3–5, 2018 : proceedings2018 / p. 60-70 https://doi.org/10.1007/978-3-319-98349-3_5 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052848171&origin=inward&txGid=886585cd5d326d559b195549b96e00f3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000517826300005
- Round table : maturity of national eIDsTsap, Valentyna; Pappel, IngridAbstracts of Papers Presented at the 18th European Conference on Digital Government ECDG 2018 : Hosted By University of Santiago de Compostela, Spain, 25 - 26 October 20182018 / p. 46 https://www.academic-conferences.org/download/21774/