al-Mahdali, Muhammad'Aqil Ibn'Ali. Madkhal ila al-tasawwuf al-Islami / al-duktur Muhammad'Aqil Ibn'Ali al-Mahdali. - al-Qahirah : Dar al-Hadith, 1988. - 95 pages ; 24 cm. Includes bibliographical references (p. 89-91) Subjects--Topical Terms: Sufism.