Hyŏn-gi Sin

• Chach'i kyŏngch'al
• Kyoyuk kwajŏng ŭi sujŏng kwa chojŏl ŭl t'onghan t'onghap kyoyuk kyosu chŏkhaphwa
• Pigyo kyŏngch'al chedoron
• Sŏn'gŏ pŏmjoe susaron