V. Denkovski, I. Stojmenovska, G. Gavrilov, V. Radevski, and V. Trajkovik "Exploring Current Challenges on Security and Privacy in an Operational eHealth Information System", Advances in Science, Technology and Engineering Systems Journal, vol. 9, no. 2, pp. 45–54, 2024, doi: 10.25046/aj090206.