Title: Taṣawwuf jadalīyah wa-intimāʾ : dirāsāt wa-munaqashāt fī usūl al-taṣawwuf wa-maʻārifihi wa-funūnih/
Authors: Ḥasan, Aḥmad ʻAlī.
Publisher: Ittiḥād al-Kuttāb al-ʻArab,
Year: 1990
Subjects: Sufism