Suip chŏngchʻaek ŭi hyŏnhwang kwa kwaje.
Series: Hanʼguk kyŏngje yŏnʼgu chʻongsŏ ; 128
Publisher: Hanʼguk Kyŏngje Yŏnʼgu Sentʻŏ
Published: 1981
Language: kor
Number of pages: 84