SAARI, C. Z. An Analytical Study of Rise and Development of Sufism: From Islamic Asceticism to Islamic Mysticism. Jurnal Usuluddin, [S. l.], v. 10, p. 21–42, 1999. Disponível em: https://ejournal.um.edu.my/index.php/JUD/article/view/3771. Acesso em: 3 may. 2024.