Kyŏngje Tanchʻe Hyŏbŭihoe (Korea)

• '89 nosa punjaeng siltʻae chosa
• Chʻongaek imgŭmje ŭi pʻyŏngka wa sŏngkwa paebun chedo siltʻae chosa
• Kyŏngyŏng hwanʼgyŏng pyŏnhwa wa chŏngni haego
• Saengsanjik kŭlloja e taehan ŭisik chosa