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OPEC Bulletin Published by: Vienna, Organization of the Petroleum Exporting Countries Subject: Petroleum And Gas Energy Language: English Published: 1967 ISSN: 0474-6279 Available at 2 Universities. | |||
OPEC Review Published by: Oxford, Organization of the Petroleum Exporting Countries (United Kingdom (Great Britain)) Subject: Petroleum And Gas Energy Language: English Published: 1976 ISSN: 0277-0180 Available at 2 Universities. |