MARCINKOWSKI, M. I. Rapprochement and Fealty during the Būyids and Early Saljūqs: The Life and Times of Muḥammad ibn al-Ḥasan al-Ṭūsī . Islamic Studies, [S. l.], v. 40, n. 2, p. 273–296, 2001. DOI: 10.52541/isiri.v40i2.5292. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5292. Acesso em: 6 dec. 2025.