A Study on Investment Evaluation of 5G Network Infrastructure at Tata Communication LTD. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 3, p. 1549–1555, 2026. DOI: 10.62643/ijerst.2026.v22.n3.4539. Disponível em: https://ijerst.org/index.php/ijerst/article/view/4539. Acesso em: 5 sep. 2026.