Ruiz, Eleuterio. “‘Foreigners and Refugees’ (1 Pet 2.11, Cf. Gen 23,4). Reflections on a Challenge of Our Time in the Light of Scripture”. Teología, vol. 55, no. 125, Apr. 2018, pp. 31-54, http://200.16.86.39/index.php/TEO/article/view/1282.