푸른사다리
By: Yi Ok--su chiŭm
Edition: 1-pʻan.
Series: Sagyejŏl 1318 munʾgo -- 31
Publisher: Sagyejol
Published: 2004
Place of publication: Kyŏnggi-do Pʻaju-si
Language: kor
Number of pages: 247
Other titles: Pʻurŭn sadari