Guelmine MohamedHichem, and Benmakrelouf Khaled. 2026. “TheeffectoftheCOVID-19pandemicontheAlgerianshareofoil Products Exports Market”. Human Resources Development Research 17 (01):791-811. https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/344.