https://thanhnien.vn/the-gioi/lo-anh-huong-tu-trung-quoc-google-samsung-cisco-muon-my-nghien-cuu-mang-5g-1220051.html

https://kenh14.vn/covid-19-quan-chuc-sec-noi-viet-nam-dat-duoc-thanh-cong-ma-nhieu-nuoc-phat-trien-chi-co-the-mo-uoc-20200508143939935.chn

https://www.vietnamplus.vn/who-keu-goi-dieu-tra-them-ve-cho-vu-han-trong-dot-bung-phat-covid-19/639208.vnp