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Ch'oe, Tae-sik (Certified labor consultant)

  • Konggong kigwan ŭi hyŏnjae wa miraeKonggong kigwan ŭi hyŏnjae wa mirae
  • Konggong kigwan ŭi pyŏnhwa wa hyŏksinKonggong kigwan ŭi pyŏnhwa wa hyŏksin