Risālatān fī al-farq bayna al-ḍād wa-al-ẓāʼ
Ibn Nashwān, Muḥammad ibn Nashwān, -1213 or 1214
Abū Ḥayyān Muḥammad ibn Yūsuf, 1256-1344
ابن نشوان، محمد بن نشوان،, -1213 or 1214
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