49-kaji kyŏlchŏng
Subtitle: Han'guk kyŏngje ŭi unmyŏng ŭl pakkun yŏksajŏk sŏnt'aek
Publisher: P'eip'ŏ Rodŭ
Published: 2020
Place of publication: Sŏul
Language: kor
ISBN-13: 9791190475303