SAGARA, Takashi. Import and Export of PhDs in Europe. Advances in Social Sciences Research Journal, [S. l.], v. 2, n. 2, 2015. DOI: 10.14738/assrj.22.848. Disponível em: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/6057. Acesso em: 28 may. 2026.