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Petroleum

Источники

• A

  • Africa Energy Portal - AEP (1)

• B

  • bp (1)

• O

  • Organization of Petroleum Exporting Countries - OPEC (1)

• P

  • Petroleum Association of Japan - PAJ (3)

• S

  • Statistics Bureau of Japan - STATJP (4)

• U

  • U.S. Energy Information Administration - EIA (1)