Home › Authors › Sudan. Qiṭà al-Naql wa-al-Muwāṣalāt. 👤 Sudan. Qiṭà al-Naql wa-al-Muwāṣalāt. 1 book Books by Sudan. Qiṭà al-Naql wa-al-Muwāṣalāt. Freight traffic estimation stu Freight traffic estimation study 1977