Yijo saengwŏn chinsasi ŭi yŏnʼgu
By: [pʻyŏnjip Taehan Minʼguk Kukhoe Tosŏgwan Sasŏbu].
Publisher: Taehan Minʼguk Kukhoe Tosŏgwan
Published: 1970
Language: kor
Number of pages: 57