1. MS. R. CHITHRA , 2. DR. K. GOMATHY. AN EMPIRICAL STUDY ON SERVICE DELIVERY EFFICIENCY AND PERFORMANCE EVALUATION OF PUBLIC AND PRIVATE TELECOMMUNICATION PROVIDERS IN VELLORE DISTRICT. Journal of the Oriental Institute, ISSN:0030-5324 UGC CARE Group 1, [S. l.], v. 74, n. 2, p. 203–214, 2025. DOI: 10.8224/journaloi.v74i2.812. Disponível em: https://www.journaloi.com/index.php/JOI/article/view/812. Acesso em: 19 jun. 2025.