Table of Content: فهرس المحتويات. المجلة العربية للعلوم و نشر الأبحاث, [S. l.], v. 5, n. 4, p. 1, 2019. Disponível em: https://journals.ajsrp.com/index.php/ajsrp/article/view/1991.. Acesso em: 3 2024.