قاسم . س. . .; السكري . أ. .; دبس ي. . The Role Of Direct Marketing In Improving Customer Satisfaction (Field Study At Tishreen University). Tishreen University Journal- Economic and Legal Sciences Series, [S. l.], v. 43, n. 2, 2021. Disponível em: https://journal.tishreen.edu.sy/index.php/econlaw/article/view/10522. Acesso em: 13 may. 2024.