• Modelling a patient identifier system in the Estonian National Health Information SystemBossenko, Igor; Piho, Gunnar; Ross, PeeterDigital Economy. Emerging Technologies and Business Innovation 9th International Conference on Digital Economy, ICDEc 2024, Rabat, Morocco, May 9–11, 2024, Proceedings, Part II2024 / p. 132-145 https://doi.org/10.1007/978-3-031-76368-7_10