Khader, B. “L’anneau Des Amis (Ring of friends): La Nouvelle Politique De Voisinage De l’Union Européenne”. Rivista Di Studi Politici Internazionali, vol. 74, no. 4, Nov. 2008, pp. 585-16, https://rosa.uniroma1.it/rosa00/index.php/studi_politici_internazionali/article/view/69.