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OPEC Plans Quarterly Price Rises Keyed to Indicators - The ...
www.washingtonpost.com
Feb 23, — Venezuela's oil minister, Humberto Calderon Berti, said this method would likely raise oil prices each year by 2 to 3 percent on top of the ... › politics ›
Gabriel Humberto Calderon replaces Juan Carlos Garrido at ...
gulfnews.com
› sport › football › gabriel-humbe...
Aide Ousted In Venezuela - The New York Times
www.nytimes.com
Feb 9, — The official, Humberto Calderon Berti, a former Minister of Energy who was named to the post in August, will be replaced Thursday by Brigido ... › › business › aide-...
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