Su-il Kwak
Dijitʻŏl bijŭnisŭ model- Hyŏndae kiŏp kyŏngyŏng wŏllon
- Hyŏndae pʻumjil kwalli
- Hyŏndae saengsan kwalli
- Kyŏngyŏng chŏngbo sisŭtʻem
- Kyŏngyŏng chŏngboron
- Kyŏngyŏng chŏngchʻaengnon
- Kyŏngyŏng kyehoek immun
- Kyŏngyŏng tʻonggyehak
- Mirae ka chigum ida =
- Pyŏnhwa ŭi sidae e uri chŏlmŭnidŭl ege
- Pyonhwa ui sidae e uri cholmunidul ege (Taehak kyoyang chongso)