Ph\u1ea7n N\u0103m – Ch\u01b0\u01a1ng 4 – B\u00e0i 18: Ch\u1ecdn gi\u1ed1ng v\u1eadt nu\u00f4i v\u00e0 c\u00e2y tr\u1ed3ng d\u1ef1a tr\u00ean ngu\u1ed3n bi\u1ebfn d\u1ecb t\u1ed5 h\u1ee3p<\/a><\/blockquote><\/iframe>