4sa 1hak 4사1학(四司一學)
RO : 4sa 1hak MC : 4sa 1hak
Year : 1882-1885
Categories : Politics·Administration·Legislation>Administration>Central Administrative Institutions
BT :
Tongnigyoseoptongsangsamu-amun
NT :
Bugyosa Dongmunhak
Janggyosa Jeonggaksa
Ujeongsa