MANSURI, D. B. B. Customer Relationship Management (CRM) - A Case Study of Airtel. Journal of Contemporary Research in Management (JCRM), [S. l.], v. 4, n. 1, 2013. Disponível em: https://jcrm.psgim.ac.in/index.php/jcrm/article/view/51. Acesso em: 18 nov. 2024.