Yŏn-tʻae Chŏng

• Chŏng Yŏn-tʻae Kyosu yugojip
• Hanʼguk kwahak kyoyuk ŭi onŭl kwa naeil
• Sŏul Tʻŭkpyŏlsi ŭi chajŏnchʻa sobija haengdong punsŏk e kwanhan kochʻal