Late Dr. Muhammed Barkindo The Secretary-General, Organisation of the Petroleum Exporting Countries (OPEC), Dr. Mohammed Barkindo, is dead. Mallam Mele Kyari, Group Managing Director, Nigerian National...
Mohammed Barkindo, secretary-general of the Organisation of Petroleum Exporting Countries (OPEC), says WhatsApp is the most used mobile application on his phone. In an interview with...