Sang-jun Kim

K'oria yangguk ch'eje

K'oria yangguk ch'eje

2019

Yugyo ŭi chŏngch'ijŏk muŭisik

Yugyo ŭi chŏngch'ijŏk muŭisik

2014

Yugyojŏk konggongsŏng kwa t'aj

Yugyojŏk konggongsŏng kwa t'aja

2014

Yugyo ŭi yechʻi inyŏm kwa Chos

Yugyo ŭi yechʻi inyŏm kwa Chosŏn

2007