Kašćelan, Ljiljana, Vujica Lazović, Tamara Đuričković, and Biljana Rondović. 2018. “Analysis of the Diffusion of E-Services in Public Sector Using the Decision Tree Method”. ENTRENOVA - ENTerprise REsearch InNOVAtion 4 (1):14-24. https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/13838.