2012: Nhà cung c?p d?ch v? vi?n thông t?t nh?t th? gi?i t?i các th? tr??ng ?ang phát tri?n – WCA.Study, advancement and trading in products and services in armed forces cryptography and cyber details safety.I do not know if It is really was the app or the world wide web loading so slow. Still they both of those from viettel and i nonetheless