Otaiba. Mana Said. L'OPEP : Et L'industrie peteroliere / Mana Said Al-Otaiba. - ط. 1. - London : Croom Helm Ltd، 1978. - 219 P ; 24 cm. Subjects--Topical Terms: L'OPEP. LC Class. No.: HD9560.1.O66 / O83 1978