TY - BOOK AU - AU - Abū Ḥayyān Muḥammad ibn Yūsuf, TI - Risālatān fī al-farq bayna al-ḍād wa-al-ẓāʼ, AV - PJ6317 .H5 PY - 1961///.] CY - [Baghdād KW - Arabic language KW - Pronunciation N1 - al-Muqaddimah -- Mukhtaṣṣar fī al-farq bayna al-ḍād wa-al-ẓāʼ, taʼlīf Muḥammad ibn Nashwān -- al-Irtiḍāʼ fī al-farq bayna al-ḍād wa-al-ẓāʼ, taʼlīf Athīr al-Dīn Muḥammad ibn Yūsuf al-Andalusī -- Murājiʻ al-taqdīm wa-al-taḥqīq (ṣ 179-182) ER -