DR. ABDERRAHMANE DJOHER , PR. AIT HABOUCHE-MIHOUB OUAHIBA. The impact of Covid19 on pharmaceutical companies in Algeria. Pegem Journal of Education and Instruction, [S. l.], v. 15, n. 4, p. 5167–5184, 2025. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/5012. Acesso em: 3 may. 2026.