Pyŏ nŭn pyŏ kkiri pʻi nŭn pʻi kkiri
Subtitle: Ha Chong-o sijip.
Series: Chʻangbi sisŏn -- 32
Publisher: Chʻangjak kwa Pipʻyŏngsa
Published: 1981
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 119