Lang A. UNIONE EUROPEA, Le procedure per l’allargamento dell’Unione europea: anno 2015: EUROPEAN UNION - The Process of EU Enlargement: year 2015. dpceonline [Internet]. 2017 Feb. 10 [cited 2025 Apr. 30];25(1). Available from: https://www.dpceonline.it/index.php/dpceonline/article/view/109