I. C. Kaya și S. Gun, „European Union Regional Policy and Evaluation of Turkey’s Harmonisation”, rcis, vol. 58, pp. 112–126, sep. 2017, Data accesării: nov. 06, 2026. Disponibil la: https://www.rcis.ro/journal/article/view/2393-european-union-regional-policy-and-evaluation-of-turkeys