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  1. Yemen Signs PSAs For Third Bid Round

    Volume: 51
    Issue: 16
    Published at Mon, 21 Apr 2008

  2. Political Comment (21 April 2008)

    Volume: 51
    Issue: 16
    Published at Mon, 21 Apr 2008

  3. National And International Oil Companies: Putting Relationships In Perspective

    Volume: 51
    Issue: 16
    Published at Mon, 21 Apr 2008