T'ŭkpyŏl Susa Pujang Yi Chong-ch'an ŭi Han'guk hyŏndaesa e ŏlk'in t'ŭkpyŏl susa iyagiChong-ch'an Yi · First published 2012Open the Tome
Chŏnmun illyŏk yangsŏng ŭl wihan chigŏp nŭngnyŏk kaebal hullyŏn kijun ch'egye kuch'uk pangan yŏn'gu yongyŏkCh'an Yi · First published 2010Open the Tome
Han'gukhyŏng kyoyuk kaebal hyŏmnyŏk model kuch'uk yŏn'guCh'an-hŭi Yi · First published 2008Open the Tome
