Guelmine MohamedHichem, and Benmakrelouf Khaled. “TheeffectoftheCOVID-19pandemicontheAlgerianshareofoil Products Exports Market”. Human Resources Development Research, vol. 17, no. 01, Oct. 2026, pp. 791-811., https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/344.