\u0110H B\u00e1ch khoa H\u00e0 N\u1ed9i c\u00f4ng b\u1ed1 d\u1ef1 b\u00e1o \u0111i\u1ec3m chu\u1ea9n 2018: Nhi\u1ec1u ng\u00e0nh gi\u1ea3m t\u1edbi 4 \u0111i\u1ec3m<\/a><\/blockquote><\/iframe>