B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o \u0111\u1ec1 ngh\u1ecb l\u00f9i l\u1ecbch n\u1ed9p ch\u1ee9ng nh\u1eadn sinh vi\u00ean \u0111\u1ec3 ho\u00e3n ngh\u0129a v\u1ee5 qu\u00e2n s\u1ef1<\/a><\/blockquote><\/iframe>