신지식업그레이드51
Subtitle: pan chisigin ŭl wihan sin chisigin iyagi
By: [Son Hyŏn-dŏk, Kim Yŏng-tʻae chiŭm]
Edition: Chʻopʻan.
Publisher: Chʻulpʻansa
Published: 1999
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 295
ISBN-13: 9788936806118
Other titles: Sin chisik ŏpgŭreidŭ 51