Zornić, N., M. Dobrota, and V. Jeremić. “Measuring the Stability of University Rankings in the Field of Education”. ENTRENOVA - ENTerprise REsearch InNOVAtion, vol. 2, no. 1, Oct. 2016, pp. 192-9, https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/14212.