Title: Dirāsah istiṭlāʻīyah ʻan al-ṣināʻāt al-bitrūkīmāwīyah ka-badīl lil-nafṭ fī al-Mamlakah al-ʻArabīyah al-Saʻūdīyah
Subjects: Petroleum chemicals industry, Industries, Petroleum products, Petroleum