W. HEFNER, R. Tragedi 11 September dan Perjuangan Muslim Demokrat. Tashwirul Afkar, [S. l.], v. 13, n. 1, p. 104–110, 2024. Disponível em: http://tashwirulafkar.or.id/index.php/afkar/article/view/387. Acesso em: 27 may. 2026.