ERASMUS+ KA107 -2017/2019 25-lug-2019 Ascolta Universidad de El Salvador Université de Tunis El Manar TRƯỜNG ĐẠI HỌC HA' NỘI - Hanoi University HANU Hanoi Electric Power University Hanoi PTIT - Posts and Telecommunications Institute of Technology Parole Chiave: articolo, notizia, unipa