Ocokoljic , Slobodan. „Towards EGTC: Evaluating Influence of the Perception of the Borders on the Cross-Border Policies and Cooperation in Serbia”. Discussion Papers, no. 91 (április 25, 2013). Elérés november 12, 2026. https://tet.rkk.hu/index.php/DP/article/view/2550.