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Yo-han Chang
"Sinhanch'ŏp kon" ŭi yŏn'gu mit yŏkchu
15-segi kugŏ chŏpsongmun ŭi t'ongsa wa ŭimi
Kugŏ munjang p'yohyŏnpŏp kwa wŏlli / Chang Yo-han