JHARNA AGRAWAL; PREETI GARG. A Study on Marketing Strategies of Telecom Service Provider’swith Special Reference to Delhi. Elementary Education Online, [S. l.], v. 20, n. 5, p. 3139–3146, 2023. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/5725. Acesso em: 5 jan. 2025.