HASSI MESSAOUD (Ouargla)- Tasked by the President of the Republic, Abdelmadjid Tebboune, the Prime Minister, Nadir Larbaoui, chaired on Monday, in Hassi Messaoud, the ceremony celebrating the 69th anniversary of the creation of the General Union of Algerian Workers (UGTA) and the 54th anniversary of the nationalization of hydrocarbons.