أحمد جبار. Public relations between trends and philosophical principles and their moral foundations Johnson & Johnson as a Model. International Journal of Social Communication, [S. l.], v. 8, n. 02, p. 10–22, 2021. Disponível em: https://revue.univ-mosta.dz/index.php/ijsc/article/view/1209. Acesso em: 28 feb. 2026.