عبد الحميد عرفان. “Abdul-Hamid, Irfan. ‘Comparative Mysticism: Methodological Observations,’ Year 9, Issue 36 (Spring 1425 AH 2004 CE), Pp. 13-40”. Al-Fikr Al-islāmī Al-muʿāṣir (previously Islamiyat Al-Ma’rifah), vol. 9, no. 36, Apr. 2004, pp. 40-13, doi:10.35632/citj.v9i36.1427.