Krpan, Mira, Ana Pavković, and Berislav Žmuk. “Similarity Assessment of the Pension Systems of the New European Union Member States”. ENTRENOVA - ENTerprise REsearch InNOVAtion 5, no. 1 (October 31, 2019): 27–34. Accessed May 22, 2024. https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/13726.