• The coordination of digital government platforms : The role of administrative tradition and collaboration historyBreaugh, Jessica; Nõmmik, StevenCollaborating for Digital Transformation : How Internal and External Collaboration Can Contribute to Innovate Public Service Delivery2024 / p. 81-102 https://doi.org/10.4337/9781803923895.00014
• Cross-organisational collaboration management of digital innovation in the public sector - The case of the Estonian employment registerNõmmik, StevenNISPAcee journal of public administration and policy2024 / p. 142-168 https://doi.org/10.2478/nispa-2024-0007
• Deconstructing complexity: A comparative study of government collaboration in national digital platforms and smart city networks in EuropeBreaugh, Jessica; Rackwitz, Maike; Hammerschmid, Gerhard; Nõmmik, Steven; Bello, Benedetta; Boon, Jan; Van Doninck, Dries; Downe, James; Randma-Liiv, TiinaPublic policy and administration2023 https://doi.org/10.1177/09520767231169401 https://www.scopus.com/sourceid/5600157642 https://www.scopus.com/record/display.uri?eid=2-s2.0-85159083664&origin=inward&txGid=6fc4bfcff708ad4375d6c4b011097567 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PUBLIC%20POLICY%20ADMIN&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000978489500001
• Designing cross-sector collaboration to foster technological innovation : empirical insights from eHealth partnerships in five countriesVerhoest, Koen; Callens, Chesney; Klijn, Erik Hans; Brogaard, Lena; Garcia-Rayado, Jaime; Nõmmik, StevenPublic administration review2024 https://doi.org/10.1111/puar.13785 https://www.scopus.com/sourceid/17167 https://www.scopus.com/record/display.uri?eid=2-s2.0-85179363190&origin=inward&txGid=8269038cbc343f57d11625058e93d596 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PUBLIC%20ADMIN%20REV&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001123680400001
• Digital transformation in European public services : Complexities, challenges, and good practices2025 https://link.springer.com/book/9783031814242
• Doktoritöö: digiteenuste arengut pärsivad kivinenud koostöö ja hoogtööReimann, Andresnovaator.err.ee2025 https://novaator.err.ee/1609670216/doktoritoo-digiteenuste-arengut-parsivad-kivinenud-koostoo-ja-hoogtoo
• Governance of cross-organisational digital innovation in the public sector = Avaliku sektori organisatsioonide koostöö digitaalse innovatsiooni juhtimiselNõmmik, Steven2025 https://www.ester.ee/record=b5734575*est https://digikogu.taltech.ee/et/Item/026e9114-1313-4aae-829a-4f2488eba028 https://doi.org/10.23658/taltech.16/2025
• How service users envision their engagement in processes of collaborative innovation : A Q-methodological study on user involvement in eHealth collaborationsCallens, Chesney; Verhoest, Koen; Klijn, Erik Hans; Nõmmik, Steven; Pina, Vicente; Brogaard, LenaPublic policy and administration2023 https://doi.org/10.1177/09520767231170298 https://www.scopus.com/sourceid/5600157642 https://www.scopus.com/record/display.uri?eid=2-s2.0-85153604573&origin=inward&txGid=045931944bf0acae3b001f795c9456e4 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PUBLIC%20POLICY%20ADMIN&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000974283500001
• Programmi RITA tegevuse 1 projekti „Masinõppe ja AI toega teenused“ lõpparuanneSolvak, Mihkel; Vilo, Jaak; Reisberg, Sulev; Tamm, Sirli; Oja, Marek; Ligi, Kadri; Unt, Taavi; Võrk, Andres; Leets, Peeter; Tammet, Tanel; Vaarandi, Risto; Nõmm, Sven; Lepik, Toomas; Lember, Veiko; Nõmmik, Steven; Noordt, Colin Pascal van; Kerikmäe, Tanel2022 https://www.etag.ee/wp-content/uploads/2022/05/RITA_MAITT_LOPPARUANNE_FINAL.pdf