PPʻiram Sŏwŏn chiPʻiram Sŏwŏn chide Munwŏn PʻyŏnʻganhoeMateriasHistoryPʻiram SŏwŏnEdiciones (1)Pʻiram Sŏwŏn chi (1975)Munwŏn Pʻyŏnʻganhoe · kor