AHMED, S. M. Saief Uddin; CHOWDHURI, Abu Sayef Md Muntaquimul Bari. Does Grameen Phone Need to Rethink Promoting Its Value Added Services for Users of Sylhet in Bangladesh?. Independent Business Review, Dhaka, Bangladesh, v. 8, n. 1-2, 2026. DOI: 10.67508/iub.ibr.v8n1-2.007. Disponível em: https://ibr.iub.edu.bd/ibr/article/view/51. Acesso em: 30 oct. 2026.