In-sŭng Chŏng1897 · 5 obras en el catálogoObrasKKŏnjae Chŏng In-sŭng chŏnjipKŏnjae Chŏng In-sŭng chŏnjip1997PPʻyojun kodŭng kŭlbonPʻyojun kodŭng kŭlbonKKugŏ TaesajŏnKugŏ TaesajŏnPPʻyojun yetkŭlPʻyojun yetkŭl표표준 문법표준 문법