ALBU1Lucian-Liviu, Radu LUPU, and Adrian Cantemir CALIN. “A Model to Simulate the Convergence Process in the EU and in the Balkans Region Based on Empirical Evidence ”. KnE Social Sciences 4, no. 1 (January 12, 2020): 116–128. Accessed March 28, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/5983.