Cheonmunhak 천문학(天文學)
RO : Cheonmunhak MC : Ch’ŏnmunhak
Year : ?-?
Categories : Scholarship·Science and Technology>Natural Sciences
UF :
Astronomy Field of Astrology
NT :
12si Bangwi
Cheonmun Cheonmun gigi
Cheonmundae Ganji
Jungseonggi Seongbyeon cheukhu danja
Seongjwa Yeokbeop