Fatmir Shehu 2021. Investigating Abū ‘Īsā al-Warrāq’s Methodology in the Study of Christian Doctrine of Trinity Based on His al-Radd ‘Alā al-Tathlīth (The Response to Trinity). Intellectual Discourse. 29, 1 (Jun. 2021), 131–148. DOI:https://doi.org/10.31436/id.v29i1.1762.