Balcsók, I., B. Baranyi, L. Dancs, G. Koncz, Z. Raffay, and G. Szabó. “HUNGARIAN–ROMANIAN AND HUNGARIAN–UKRAINIAN CROSS-BORDER CO-OPERATION”. Discussion Papers, no. Special, July 2012, pp. 68-101, https://discussionpapers.rkk.hu/index.php/DP/article/view/2234.