الخوالدة سميرة. محمد إقبال والقلق الصوفي: Sufi Muhammad Iqbal and Anxiety. Al-Fikr al-islāmī al-muʿāṣir (previously Islamiyat al-Ma’rifah), [S. l.], v. 21, n. 84, p. 222–193, 2016. DOI: 10.35632/citj.v21i84.619. Disponível em: https://citj.org/index.php/citj/article/view/619. Acesso em: 2 may. 2026.