Ilban tʻŭkhye kwanse chedo silmu
Subtitle: 81-yŏndo kakkuk ŭi GSP chedo haesŏl
By: [pʻyŏnjibin Chŏng Kuk-chin].
Series: Mugong charyo ; 20-28
Publisher: Taehan Muyŏk Chinhŭng Kongsa
Published: 1981
Language: kor
Number of pages: 943