al-Bahlūl Muḥammad Ṣāliḥ ʻAyyāṭ

• Madá istikhdām jihāz al-raqābah al-shaʻbīyah li-muʾashshirāt taqyīm al-adāʼ fī taqyīm adāʼ al-sharikāt al-ʻāmmah al-ṣināʻīyah