Tr\u01b0\u1eddng \u0110H B\u00e1ch khoa H\u00e0 N\u1ed9i: \u0110i\u1ec3m chu\u1ea9n ch\u00ednh th\u1ee9c c\u00f3 gi\u1ea3m so v\u1edbi d\u1ef1 b\u00e1o ban \u0111\u1ea7u?<\/a><\/blockquote><\/iframe>