الخوالدة س. (2016). محمد إقبال والقلق الصوفي: Sufi Muhammad Iqbal and Anxiety. Al-Fikr Al-islāmī Al-muʿāṣir (previously Islamiyat Al-Ma’rifah), 21(84), 222–193. https://doi.org/10.35632/citj.v21i84.619