Chong-il Yu
1958
Han'guk kyŏngje 4-tae mayak ŭl kkŭnŏra- Kŭllobŏl kyŏngje wigi wa saeroun kyŏngje p'aerŏdaim ŭi mosaek
- Kyŏngje 119
- Kyŏngje minjuhwa
- Kyŏngje minjuhwa ka hŭimang ida
- MB ŭi piyong
- Mun Chae-in chŏngbu ŭi kyŏngje chŏngch'aek chŏnhwan kwa kwaje
- Pak Chŏng-hŭi ŭi maen ŏlgul
- Segye kyŏngje ŭi mirae wa Han'guk kyŏngje
- Wigi ŭi kyŏngje
- Yu Chong-il ŭi chinbo kyŏngjehak