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. journaloi [Internet]. 2025 Jun. 13 [cited 2025 Jun. 19];74(2):203-14. Available from: https://journaloi.com/index.php/JOI/article/view/812