al-Nafṭ wa-al-taʻāwun al-ʻArabī.
Organization of Arab Petroleum Exporting Countries.General Secretariat.
al-Kuwayt : al-Amānah al-ʻĀmmah li-Munaẓẓamat al-Aqṭār al-ʻArabīyah al-Muṣaddirah lil-Batrūl,
Energy information abstracts
Environment abstracts
GeoRef
Petroleum industry and trade
Power resources