HALLAQ, W. B. Uṣūl al-Fiqh and Shāfiʿī’s Risāla Revisited. Journal of Arabic and Islamic Studies, [S. l.], v. 19, p. 129–183, 2019. DOI: 10.5617/jais.7749. Disponível em: https://journals.uio.no/JAIS/article/view/7749. Acesso em: 22 jul. 2024.