Ph\u1ea7n N\u0103m – Ch\u01b0\u01a1ng 2 – B\u00e0i 12: Di truy\u1ec1n li\u00ean k\u1ebft v\u1edbi gi\u1edbi t\u00ednh v\u00e0 di truy\u1ec1n ngo\u00e0i nh\u00e2n<\/a><\/blockquote><\/iframe>