Kyŏngyŏng chŏngchʻaek kwa kyŏngyŏng kyehoek
By: Chʻa Yŏng-hwan chŏ.
Edition: Chʻopʻan.
Publisher: Kukche Taehak Inmun Sahoegwahak Yŏnʼguso
Published: 1980
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 672