2. Xay d i i n g b a n g l i i d n g
Bang Ifldng la mpt bang xac dinh quan he ty le ve tien Ifldng gifla nhflng ngfldi lao dpng cung nghe theo tflng chflc danh nghe nghiep.
Ke't cau cua bang Ifldng cd 3 yeu to': chflc danh nghe hay ten gpi ciia nghe, so' bac cua bang Ifldng, he so'[r]