3sidae gubunbeop
3시대구분법(三時代區分法)
RO :
3sidae gubunbeop
MC :
3sidae kubunbŏp
Year :
?-?
Categories :
Scholarship·Science and Technology>Humanities
UF :
3sidaebeop
3sigibeop
RT :
Cheongdonggi sidae
Iron Ages
Seokgi sidae
BT :
Gogohak