Citation
al-Siwāḥ, ʿAbd al-Raʾūf Ibrāhīm. Ittijāhāt al-Ābāʾ wa-ʿAlāqatuhā bi-Ittijāhāt al-Abnāʾ Naḥw Mawḍūʿ al-Jins. Mansoura: Jāmiʿat al-Manṣūra, 1991.
al-Siwāḥ, ʿAbd al-Raʾūf Ibrāhīm. Ittijāhāt al-Ābāʾ wa-ʿAlāqatuhā bi-Ittijāhāt al-Abnāʾ Naḥw Mawḍūʿ al-Jins. Mansoura: Jāmiʿat al-Manṣūra, 1991.