Waegok toen sŭt'yuŏdŭsip k'odŭ wa kungmin yŏn'gŭm ŭi chilloJang-Sup Shin · First published 2018Open the Tome
Kŭmyung chŏnjaeng, Han'guk kyŏngje ŭi kihoe wa wihŏmJang-Sup Shin · First published 2009Open the Tome