هل تقصد: Energy Conference (3rd : 1997 : Abū Ẓaby, United Arab Emirates) Energy Conference (5th : 1999 : Abū Ẓaby, United Arab Emirates) Energy Conference (13th : 2007 : Abu Dhabi, United Arab Emirates) Energy Conference (3rd : 1997 : Abū Ẓaby, United Arab Emirates) Energy Conference (5th : 1999 : Abū Ẓaby, United Arab Emirates) Energy Conference (13th : 2007 : Abu Dhabi, United Arab Emirates) Energy Conference (13th : 2007 : Abu Dhabi, United Arab Emirates)