SSŏkhŏn Yu OkSŏkhŏn Yu Okde Chong-il OMateriasPolitics and governmentPoliticiansBiographyStatesmenEdiciones (1)Sŏkhŏn Yu Ok (2010)Chŏnnam Taehakkyo Ch'ulp'anbu · kor · ISBN 9788975988059Más obras de Chong-il OYYo-Sun esŏ Chʻŏng kkajiYo-Sun esŏ Chʻŏng kkajiMMangam Pyŏn I-jung ŭi sam kwa hwach'a pogwŏnMangam Pyŏn I-jung ŭi sam kwa hwach'a pogwŏnHHanʼguk kyŏngje ŭi chŏngchʻesŏng e kwanhan yŏnʼguHanʼguk kyŏngje ŭi chŏngchʻesŏng e kwanhan yŏnʼgu