Ben Romdhane, R. “Examining Ṣirfa As an Aspect of Qurʾanic Inimitability: A Study on Conceptual Shifts Among Muʿtazilites from the 3rd/9th to 5th/11th Centuries”. Münster Journal for Islamic and Philosophical Studies, vol. 3, no. 1-2, Aug. 2024, pp. 35-48, https://www.uni-muenster.de/Ejournals/index.php/mfiphs/article/view/5786.