Namudŭl ŭn kukkyŏng ŭi malttuk ŭl kkum kkunda
Subtitle: Paek Hak-ki sijip
Series: Chʻŏngha sisŏn -- 73
Publisher: Chʻŏngha
Published: 1991
Place of publication: Sŏul-si
Language: kor
Number of pages: 113