Home › Authors › Sŭng-hwan O 👤 Sŭng-hwan O b. 1966 · 2 books Books by Sŭng-hwan O Yanggŭkhwa sidae kajok haech'e Yanggŭkhwa sidae kajok haech'e wa ch'ŏngsonyŏn ŭi chŏgŭng e kwanhan Han'guk kwa Miguk ŭi pigyo yŏn'gu 2012 Han'guk ŭi haktae adong poho c Han'guk ŭi haktae adong poho chŏngch'aek 2009