Ilbon cheguk ŭi taeoe ch'imrnyak kwa tongbanghak pyŏnch'ŏn oemusŏng kwalli " tongbanghak" esŏ munbusŏng, cheguk taehak " taedongahak" kkajiT'ae-jin Yi · First published 2022Open the Tome
Ilbon cheguk ŭi tongyangsa kaebal kwa ch'ŏnhwangje p'asijŭmT'ae-jin Yi · First published 2022Open the Tome
Taehan Min'guk ŭl taep'yo hanŭn yŏksa hakcha wa sahoe kwahakcha ka nanun 12-sigan ŭi t'ongil iyagiT'ae-jin Yi · First published 2011Open the Tome