KEOGH, Gerard. Modelling Asylum Migration Pull-Force Factors in the EU-15. The Economic and Social Review, [S. l.], v. 44, n. 3, Autumn, p. 371–399, 2013. Disponível em: https://esr.ie/index.php/esr/article/view/77. Acesso em: 19 feb. 2026.