Evaluation of Subscriber Base and Service Efficiency in Indian Telecom Industry- A Comparative Study of Select Telecom Enterprises. Journal of Informatics Education and Research, [S. l.], v. 4, n. 3, 2024. Disponível em: https://www.jier.org/index.php/journal/article/view/1554. Acesso em: 1 may. 2026.