Ki?n t?o xã h?i s? H? t?ng s? Tài chính s? Gi?i pháp s? N?i dung s? An ninh m?ng Nghiên c?u s?n xu?tViettel Group's pinnacle affiliate Viettel Telecom is at present the dominant community operator with the most important sector share in Vietnamese telecommunications services industry.[5] For 30 many years, Viettel has grown from a building org