Chʻong hakchang, yŏnʼgu sojang pogam
By: [pʻyŏnjŏ Chʻong Hakchang Yŏnʼgu Sojang Pogam Pʻyŏnjibbu].
Publisher: Myŏngjinʼgak
Published: 1982
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 347