Proceedings of the Ninth Annual Convention

Eitemau Tebyg

• Proceedings of the twenty-ninth IAGI annual convention
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  Cyhoeddwyd: (2000)
• Proceedings of the ninth annual convention: Jakarta, May 27-28 1980.
  gan: Indonesian Petroleum Associati
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• Proceedings of the Tenth Annual Convention
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• Proceeding of the Eigth Annual Convention
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• Proceeding of the Seventh Annual Convention
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  Cyhoeddwyd: (1978)