Han'guk tongnip undong saryoSang-il Yi, Chŏng-yŏn Kim, Chi-hŭi Pak, Chong-mun Yun, I-jong Kim, Yong-jin Hong, Chae-yŏn Chŏn · First published 2015Open the Tome
Mangam Pyŏn I-jung ŭi sam kwa hwach'a pogwŏnSŏng-nae Pak, Sang-sik Yi, Chong-il O · First published 2013Open the Tome
Han'guk pujadŭl i ch'ŏlchŏhi chik'inŭn 8-kaji wŏnch'ikChong-il Pak · First published 2004Open the Tome
Kyoyuk chachʻije kaesŏn panganChong-chʻŏl Kim, Chŏng-il Yun, Chong-nyŏl Pak · First published 1985Open the Tome
