Title: Ritʻŏn Return /
Authors: Yi, Kyu-man; Yi, Hyŏn-jin.; Kim, Myŏng-min.; Yu, Chun-sang; Kim, Tʻae-u.; Chŏng, Yu-sŏk.; Arŭmdaun Yŏnghwasa (Firm); Rotʻŏsŭ Pʻillŭm (Firm)
Publisher: Entʻŏwŏn,
Year: 2007