VAN ESS, J. Spiritual Purification in Islam: The Life and Works of al-Muhasibi, by Gavin Picken. Ilahiyat Studies, [S. l.], v. 2, n. 1, p. 126–132, 2011. DOI: 10.12730/13091719.2011.21.32. Disponível em: https://www.ilahiyatstudies.org/journal/article/view/91. Acesso em: 2 apr. 2026.