Title: Jubail and Yanbu industrial cities
Subjects: Petroleum chemicals industry, Saudi Arabia. Hayʼah al-Malakīyah lil-Jubayl wa-Yanbuʻ, Saudi Arabia, Economic conditions
Places: Jubayl, Yanbuʻ al-Baḥr (Saudi Arabia), Jubayl (Saudi Arabia), Yanbuʻ al-Baḥr, Saudi Arabia