HASSAN, Abd ElAziz; SHALABI, Mohamed. The Relationship Between Sustainable Marketing and Customer Retention An Empirical Study on Customers of Telecom Companies in the Arab Republic of Egypt. Al-Balqa Journal for Research and Studies, [S. l.], v. 27, n. SE, p. 51–64, 2024. DOI: 10.35875/s5tjnx35. Disponível em: https://ajrs.ammanu.edu.jo/ojs/index.php/albalqajournal/article/view/679.. Acesso em: 20 apr. 2025.