DR. ANIL K. SINGH. Age as a Determinant of Customer Loyalty: Study of Mobile Subscribers. International Journal of Management Studies (IJMS), [S. l.], v. 6, n. 2(2), p. 111–116, 2021. Disponível em: https://www.researchersworld.com/index.php/ijms/article/view/1116. Acesso em: 5 aug. 2025.