Tangsin ŭn k'osŭmosŭ ro osyŏssŭmnida
Subtitle: Songp'a Ko Sŏk-wŏn che-13 sijip
Publisher: Em-Aedŭ
Published: 2011
Place of publication: Sŏul-si
Language: kor
Number of pages: 127
ISBN-13: 9788965750000