AL-HUSSAINAWI, Dr. Abdul Redha Hassan Jiyad. Historical factors for the emergence of ascetic schools in the Islamic East: and their impact on the emergence of Sufism. Journal of Jurisprudence Faculty, Kufa, Najaf, IRAQ, v. 1, n. 4, p. 263–285, 2007. DOI: 10.36324/fqhj.vi4.8369. Disponível em: https://journal.uokufa.edu.iq/index.php/fqhj/article/view/8369. Acesso em: 13 may. 2026.