MESSAMAH , I. The effect of covid-19 on airline sector in Algeria. مجلة العلوم الاجتماعية والانسانية, [S. l.], v. 23, n. 2, p. 519–530, 2022. DOI: 10.59791/rsh.v23i2.3005. Disponível em: https://journals.univ-batna.dz/index.php/rsh/article/view/3005. Acesso em: 3 juill. 2024.