Krpan, Mira, Ana Pavković, and Berislav Žmuk. 2019. “Similarity Assessment of the Pension Systems of the New European Union Member States”. ENTRENOVA - ENTerprise REsearch InNOVAtion 5 (1):27-34. https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/13726.