48-yŏn hu i ai nŭn uri nara chʻoechʻo ŭi inʼgong wisŏng ŭl ssoa ollimnida
Subtitle: konghak paksa Chʻoe Sun-dal ŭi sam kwa kwahak iyagi.
Edition: Chʻopʻan. 
Series: Uri sidae inmul iyagi -- 01
Publisher: Haenggan Pʻunggyŏng
Published: 2005
Place of publication: Sŏul-si
Language: kor
Number of pages: 278
Subjects: Chʻoe, Sun-dal, -- 1931-; Electric engineers -- Korea (South) -- Biography; Artificial satellites in telecommunication -- Korea (South)
Genres: Biography.
Other titles: Sasip-pallyŏn hu i ai nŭn uri nara chʻoechʻo ŭi inʼgong wisŏng ŭl ssoa ollimnida