Parhaesa yŏn'gu
By: [chipp'il Chang Kuk-chong ; p'yŏnjip Kim Chŏk-pong]
Contributors: Sahoe Kwahak Ch'ulp'ansa
Publisher: Sahoe Kwahak Ch'ulp'ansa
Published: 1997
Place of publication: P'yŏngyang
Language: kor
Notes: Preserved, Deacidified, 2016 Cranberry, PA Preservation Technologies LP