Differentiated Service is the Success Measure: An investigation in Telecom Industry Odisha, India. Mediterranean Journal of Social Sciences, [S. l.], v. 6, n. 4, p. 96, 2015. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/6906.. Acesso em: 15 mar. 2026.