Chaju kisul ŭi sŭngni
Subtitle: '91 IR 52 Chang Yŏng-sil Sang susangjip
By: Maeil Kyŏngje Sinmunsa, Hanʼguk Sanŏp Kisul Chinhŭng Hyŏphoe pʻyŏn.
Contributors: Maeil Kyŏngje Sinmunsa.; Hanʼguk Sanŏp Kisul Chinhŭng Hyŏphoe.
Publisher: Maeil Kyŏngje Sinmunsa
Published: 1992
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Subjects: Chang, Yŏng-sil -- Awards; Technological innovations -- Korea (South); Creative ability in technology -- Korea (South)