00550nam a2200169Ia 4500 0000021289 20251012174639.0 s1980 uk c 019877155X HD9560 HD9560 .C424 OPEC and the international oil industry a changing structure byFadhil J. Al-Chalabi Oxford Oxford University Press 1980 vii, 165p. ill. 23cm. Organization of Arab Petroleum Exporting Countries Petroleum industry and trade 7971 7971