Nae Chwimi Nunyo, Norae Hago Nodong IraeyoSang-Hyu Yi, Yong-Sik Yi, Pyong-Su Chu, Hon-Gang So · First published 2021Open the Tome
Modun Chaeang Ul Ttibae e Ttuiwo PonaejiSang-Won Kim, Kyong-Yop Yi, Pyong-Su Chu, Sang-Su Kim · First published 2018Open the Tome
Soe Nun Kkok Chaba Kajigo IssotchiYong-Hyon Kim, Yong-Sik Yi, Pyong-Su Chu, Ho-Sik Choe · First published 2018Open the Tome
