Buljan, Ante, and Mario Spremić. “Cluster Analysis of IT Security Risks in Chosen Sectors”. ENTRENOVA - ENTerprise REsearch InNOVAtion 5, no. 1 (October 31, 2019): 489–496. Accessed December 18, 2024. https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/13822.